Re: why would ping and traceroute give you different IP addresses?

2023-08-14 Thread Geert Stappers
On Tue, Aug 15, 2023 at 05:02:49AM +, Albretch Mueller wrote: > site="download.gluonhq.com" > date > time ping "${site}" -c 4 > time traceroute "${site}" > > $ site="download.gluonhq.com" > date > time ping "${site}" -c 4 > time traceroute "${site}" > Mon 14 Aug 2023 11:54:19 PM UTC > PING s3-

why would ping and traceroute give you different IP addresses?

2023-08-14 Thread Albretch Mueller
site="download.gluonhq.com" date time ping "${site}" -c 4 time traceroute "${site}" $ site="download.gluonhq.com" date time ping "${site}" -c 4 time traceroute "${site}" Mon 14 Aug 2023 11:54:19 PM UTC PING s3-website.us-east-1.amazonaws.com (54.231.134.85) 56(84) bytes of data. 64 bytes from s3-w

Re: On IP addresses and bus tripe [was: CUPS - how to match autodetected printers to physical ones]

2022-04-09 Thread tomas
On Sat, Apr 09, 2022 at 12:47:09PM +0100, Brian wrote: > On Sat 09 Apr 2022 at 08:33:31 +0200, to...@tuxteam.de wrote: > > > On Fri, Apr 08, 2022 at 08:52:26PM +0100, Brian wrote: > > > > [...] > > > > > You didn't like my bus analogy, did you? > > > > I did like it. Nevertheless, I thought som

Re: On IP addresses and bus tripe [was: CUPS - how to match autodetected printers to physical ones]

2022-04-09 Thread Brian
On Sat 09 Apr 2022 at 08:33:31 +0200, to...@tuxteam.de wrote: > On Fri, Apr 08, 2022 at 08:52:26PM +0100, Brian wrote: > > [...] > > > You didn't like my bus analogy, did you? > > I did like it. Nevertheless, I thought something's missing: In general, analogies don't really work, do they? >

On IP addresses and bus tripe [was: CUPS - how to match autodetected printers to physical ones]

2022-04-08 Thread tomas
On Fri, Apr 08, 2022 at 08:52:26PM +0100, Brian wrote: [...] > You didn't like my bus analogy, did you? I did like it. Nevertheless, I thought something's missing: > What makes you think that knowing a bus number and destination > provudes information for where it departs from? > > What makes y

Re: Accessing a host with variable IP addresses / connection types

2019-10-29 Thread Celejar
On Sat, 26 Oct 2019 00:04:17 +0200 deloptes wrote: > Celejar wrote: > > > I don't get it - IIUC, this sort of thing will work if a given system > > is always available via a remote connection. In such a case, we can set > > up the routes so that clients on the local network know to route > > pac

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Celejar
On Fri, 25 Oct 2019 21:44:44 +0200 deloptes wrote: > Celejar wrote: > > > Furthermore, changing the addressing scheme is insufficient to solve > > the problem: say the home network uses 10.0.0.0/16, and the VPN is > > configured to assign the same address to the laptop that it gets when > > it's

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread deloptes
Celejar wrote: > Furthermore, changing the addressing scheme is insufficient to solve > the problem: say the home network uses 10.0.0.0/16, and the VPN is > configured to assign the same address to the laptop that it gets when > it's connected locally. How do hosts on the local network that want >

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Celejar
On Fri, 25 Oct 2019 21:35:48 +0200 deloptes wrote: > Celejar wrote: > > > I'm not sure exactly what networking scheme you're describing, but I > > explained why there's no easy, good solution in the original thread. > > Basically, the home network uses 192.168.0.0/24, as do other LANS I > > conn

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread deloptes
Celejar wrote: > I don't get it - IIUC, this sort of thing will work if a given system > is always available via a remote connection. In such a case, we can set > up the routes so that clients on the local network know to route > packets to the given system through the VPN server. But in my case,

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread deloptes
Dan Ritter wrote: > I use a much better supported system called Debian. It did > require me to spend a bit more on the firewall hardware, but on > the other hand it is tremendously speedy and configurable. > > -dsr- +1 here spent 250,- 12y ago for a industrial board pc with 3 network devices. D

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Stefan Monnier
> I use a much better supported system called Debian. It did > require me to spend a bit more on the firewall hardware, but on > the other hand it is tremendously speedy and configurable. I like this option as well, but I find it hard to come across suitable hardware. I need: - ≥2 ethernet ports

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread deloptes
deloptes wrote: > push  "route 10.1.1.0  255.255.255.0" > push  "route 192.168.1.0  255.255.255.0" as it seems the level is basic these both lines are here (AFAIR) to make it possible that different PCs in the VPN see each other and that the PC on the VPN see the home network. This is configurin

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread deloptes
Celejar wrote: > I'm not sure exactly what networking scheme you're describing, but I > explained why there's no easy, good solution in the original thread. > Basically, the home network uses 192.168.0.0/24, as do other LANS I > connect to. My VPN uses 10.0.0.0/24. When the laptop is connected > l

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Celejar
On Fri, 25 Oct 2019 12:25:27 -0400 Celejar wrote: > On Fri, 25 Oct 2019 09:13:31 -0400 > Greg Wooledge wrote: > > > On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: > > > Basically, the home network uses 192.168.0.0/24, as do other LANS I > > > connect to. > > > > So change your home n

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Celejar
On Fri, 25 Oct 2019 12:55:32 -0400 Dan Ritter wrote: > Celejar wrote: > > On Fri, 25 Oct 2019 10:14:59 -0400 > > Gene Heskett wrote: > > > > > On Friday 25 October 2019 09:13:31 Greg Wooledge wrote: > > > > > > > On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: > > > > > Basically, th

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Dan Ritter
Celejar wrote: > On Fri, 25 Oct 2019 10:14:59 -0400 > Gene Heskett wrote: > > > On Friday 25 October 2019 09:13:31 Greg Wooledge wrote: > > > > > On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: > > > > Basically, the home network uses 192.168.0.0/24, as do other LANS I > > > > connect

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Celejar
On Fri, 25 Oct 2019 10:14:59 -0400 Gene Heskett wrote: > On Friday 25 October 2019 09:13:31 Greg Wooledge wrote: > > > On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: > > > Basically, the home network uses 192.168.0.0/24, as do other LANS I > > > connect to. > > > > So change your home

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Celejar
On Fri, 25 Oct 2019 09:13:31 -0400 Greg Wooledge wrote: > On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: > > Basically, the home network uses 192.168.0.0/24, as do other LANS I > > connect to. > > So change your home network. I suppose I could, I just didn't feel like doing that just

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread john doe
On 10/25/2019 4:14 PM, Gene Heskett wrote: > On Friday 25 October 2019 09:13:31 Greg Wooledge wrote: > >> On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: >>> Basically, the home network uses 192.168.0.0/24, as do other LANS I >>> connect to. >> >> So change your home network. > > 192.168.0

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Gene Heskett
On Friday 25 October 2019 09:13:31 Greg Wooledge wrote: > On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: > > Basically, the home network uses 192.168.0.0/24, as do other LANS I > > connect to. > > So change your home network. 192.168.0.## and 192.168.1.## are the last two blocks I would

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Greg Wooledge
On Fri, Oct 25, 2019 at 08:56:19AM -0400, Celejar wrote: > Basically, the home network uses 192.168.0.0/24, as do other LANS I > connect to. So change your home network.

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread Celejar
On Fri, 25 Oct 2019 09:25:41 +0200 deloptes wrote: > Celejar wrote: > > > We had a long thread about this back in April [0], but no good solution > > was presented, so I decided to design a framework to address this > > problem. It's probably overkill, but it was a good opportunity to > > practi

Re: Accessing a host with variable IP addresses / connection types

2019-10-25 Thread deloptes
Celejar wrote: > We had a long thread about this back in April [0], but no good solution > was presented, so I decided to design a framework to address this > problem. It's probably overkill, but it was a good opportunity to > practice my Perl in general, and learn how to write a web application >

Re: Accessing a host with variable IP addresses / connection types

2019-10-24 Thread Celejar
On Tue, 16 Apr 2019 11:03:14 -0400 Celejar wrote: > Hi, > > I've been bedeviled by this question for a while, but have been unable > to figure out a clean, non-hackish solution. It may be an XY problem ... > > I have a system (laptop, running Debian) that is sometimes connected > directly to my

Re: Accessing a host with variable IP addresses / connection types

2019-05-03 Thread Celejar
On Thu, 18 Apr 2019 10:43:55 -0400 Michael Stone wrote: > On Thu, Apr 18, 2019 at 10:41:18AM -0400, Celejar wrote: > >> Alternatively, for internal-only stuff, you can use ULAs. IPv6 > > > >The context of our discussion is seamless and collision-free host access > >across a VPN, not "internal-onl

Re: Accessing a host with variable IP addresses / connection types

2019-04-25 Thread Celejar
On Sun, 21 Apr 2019 06:22:24 +1200 Richard Hector wrote: ... > I found the #ipv6 channel on freenode to be extremely helpful - as long > as you can cope with frequent digressions into ice hockey :-) Thanks! I'll be sure to check it out if I seriously consider making the move to IPv6. > Richard

Re: Accessing a host with variable IP addresses / connection types

2019-04-20 Thread Richard Hector
On 18/04/19 5:36 AM, Celejar wrote: > On Thu, 18 Apr 2019 04:49:56 +1200 > Richard Hector wrote: > >> On 18/04/19 12:15 AM, Celejar wrote: >>> Currently, my LAN is 192.168.0.0/24, which is also the addressing >>> scheme of some of the networks out of my control that I'm setting up a >>> VPN link

Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-18 Thread Nicholas Geovanis
break. > This is correct as far as it goes. If corps merge and their internal IP addresses overlap, they sort it out. There is no addressing based solution other than creative routing. >

Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-18 Thread Dan Purgert
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Nicholas Geovanis wrote: > On Thu, Apr 18, 2019 at 7:57 AM Michael Stone wrote: > >> >> No, the ULA is the IPv6 equivalent of RFC1918 space--you can use it >> internally without central registration by choosing a subnet from >> fd00::/8. The space i

Re: Accessing a host with variable IP addresses / connection types

2019-04-18 Thread Michael Stone
On Thu, Apr 18, 2019 at 10:41:18AM -0400, Celejar wrote: Alternatively, for internal-only stuff, you can use ULAs. IPv6 The context of our discussion is seamless and collision-free host access across a VPN, not "internal-only stuff" - unless your directions below are going to work even when the

Re: Accessing a host with variable IP addresses / connection types

2019-04-18 Thread Celejar
On Thu, 18 Apr 2019 10:10:38 -0400 Michael Stone wrote: > On Thu, Apr 18, 2019 at 10:00:28AM -0400, Celejar wrote: > >Can you point me to such documenation? You've said that it's a trivial, > >straightforward change: what, exactly, do I do to start using IPv6? > > Find an IPv6 provider. There's

Re: Accessing a host with variable IP addresses / connection types

2019-04-18 Thread Michael Stone
On Thu, Apr 18, 2019 at 10:00:28AM -0400, Celejar wrote: Can you point me to such documenation? You've said that it's a trivial, straightforward change: what, exactly, do I do to start using IPv6? Find an IPv6 provider. There's not much debian can document about that. Alternatively, for intern

Re: Accessing a host with variable IP addresses / connection types

2019-04-18 Thread Celejar
On Thu, 18 Apr 2019 08:50:17 -0400 Michael Stone wrote: > On Wed, Apr 17, 2019 at 08:45:50PM -0400, Celejar wrote: > >You make it sound like it's a trivial, straightforward change. Is it? > > Pretty much. > > >Will all my applications work correctly over IPv6 without much work? > > Unless you

Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-18 Thread Michael Stone
On Thu, Apr 18, 2019 at 08:12:04AM -0500, Nicholas Geovanis wrote: But isn't it irrelevant whether they pick the same prefix or not? Routers that respect ULA and RFC1918 shouldn't route any traffic destined to them off the logical subnet. Right? If it didn't matter, people wouldn't keep looking

Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-18 Thread Nicholas Geovanis
On Thu, Apr 18, 2019 at 7:57 AM Michael Stone wrote: > > No, the ULA is the IPv6 equivalent of RFC1918 space--you can use it > internally without central registration by choosing a subnet from > fd00::/8. The space is so much larger that it's much less likely that > two sites would pick the same

Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-18 Thread Michael Stone
On Wed, Apr 17, 2019 at 08:06:05PM -, Curt wrote: On 2019-04-17, Pascal Hambourg wrote: Le 17/04/2019 à 18:42, Michael Stone a écrit : On Wed, Apr 17, 2019 at 12:38:11PM -0400, Celejar wrote: On Wed, 17 Apr 2019 12:10:56 -0400 Michael Stone wrote: On Wed, Apr 17, 2019 at 11:57:43AM -04

Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-18 Thread Michael Stone
On Wed, Apr 17, 2019 at 09:37:36PM +0200, Pascal Hambourg wrote: Le 17/04/2019 à 18:42, Michael Stone a écrit : On Wed, Apr 17, 2019 at 12:38:11PM -0400, Celejar wrote: On Wed, 17 Apr 2019 12:10:56 -0400 Michael Stone wrote: On Wed, Apr 17, 2019 at 11:57:43AM -0400, Celejar wrote: I was ra

Re: Accessing a host with variable IP addresses / connection types

2019-04-18 Thread Michael Stone
On Wed, Apr 17, 2019 at 08:45:50PM -0400, Celejar wrote: You make it sound like it's a trivial, straightforward change. Is it? Pretty much. Will all my applications work correctly over IPv6 without much work? Unless you've written something yourself (badly) IPv6 has "just worked" in debian

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Celejar
On Wed, 17 Apr 2019 18:41:46 -0400 Michael Stone wrote: > On Wed, Apr 17, 2019 at 06:11:43PM -0400, Celejar wrote: > >In other words, with IPv4, there's no *practical* solution, since a > >typical end user isn't going to get arbitrary numbers of IP addresses. > >

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Michael Stone
On Wed, Apr 17, 2019 at 06:11:43PM -0400, Celejar wrote: In other words, with IPv4, there's no *practical* solution, since a typical end user isn't going to get arbitrary numbers of IP addresses. So use IPv6.

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Celejar
ferring to IPv6? I was referring to IPv4. > > It applies to both, though we've run out of IPv4. There's no other way In other words, with IPv4, there's no *practical* solution, since a typical end user isn't going to get arbitrary numbers of IP addresses. > to guarantee the absence of network collisions. Celejar

Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-17 Thread Curt
On 2019-04-17, Pascal Hambourg wrote: > Le 17/04/2019 à 18:42, Michael Stone a écrit : >> On Wed, Apr 17, 2019 at 12:38:11PM -0400, Celejar wrote: >>> On Wed, 17 Apr 2019 12:10:56 -0400 Michael Stone >>> wrote: >>> On Wed, Apr 17, 2019 at 11:57:43AM -0400, Celejar wrote: >I was rather

[OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)

2019-04-17 Thread Pascal Hambourg
Le 17/04/2019 à 18:42, Michael Stone a écrit : On Wed, Apr 17, 2019 at 12:38:11PM -0400, Celejar wrote: On Wed, 17 Apr 2019 12:10:56 -0400 Michael Stone wrote: On Wed, Apr 17, 2019 at 11:57:43AM -0400, Celejar wrote: >I was rather shocked to see that there was no definitive solution to >avoi

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Celejar
On Thu, 18 Apr 2019 04:49:56 +1200 Richard Hector wrote: > On 18/04/19 12:15 AM, Celejar wrote: > > Currently, my LAN is 192.168.0.0/24, which is also the addressing > > scheme of some of the networks out of my control that I'm setting up a > > VPN link from. I deliberately used 10.0.0.0/24 for t

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Richard Hector
On 18/04/19 12:15 AM, Celejar wrote: > Currently, my LAN is 192.168.0.0/24, which is also the addressing > scheme of some of the networks out of my control that I'm setting up a > VPN link from. I deliberately used 10.0.0.0/24 for the VPN to avoid > address collisions with these other networks. It

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Michael Stone
On Wed, Apr 17, 2019 at 12:38:11PM -0400, Celejar wrote: On Wed, 17 Apr 2019 12:10:56 -0400 Michael Stone wrote: On Wed, Apr 17, 2019 at 11:57:43AM -0400, Celejar wrote: >Thanks. When I first set up the VPN, I did some reading about this, and >I was rather shocked to see that there was no defi

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Celejar
On Wed, 17 Apr 2019 12:10:56 -0400 Michael Stone wrote: > On Wed, Apr 17, 2019 at 11:57:43AM -0400, Celejar wrote: > >Thanks. When I first set up the VPN, I did some reading about this, and > >I was rather shocked to see that there was no definitive solution to > >avoid address collisions > > Su

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Michael Stone
On Wed, Apr 17, 2019 at 11:57:43AM -0400, Celejar wrote: Thanks. When I first set up the VPN, I did some reading about this, and I was rather shocked to see that there was no definitive solution to avoid address collisions Sure there is--globally unique IPs.

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Celejar
On Wed, 17 Apr 2019 14:59:53 +0100 Joe wrote: > On Wed, 17 Apr 2019 08:15:09 -0400 > Celejar wrote: > > > > Currently, my LAN is 192.168.0.0/24, which is also the addressing > > scheme of some of the networks out of my control that I'm setting up a > > VPN link from. I deliberately used 10.0.0

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Celejar
On Wed, 17 Apr 2019 15:29:50 +0200 Kevin DAGNEAUX wrote: > > Le 17/04/2019 à 14:15, Celejar a écrit : > > On Wed, 17 Apr 2019 08:37:20 +0200 > > Kevin DAGNEAUX wrote: > > > >>> Hi, > >>> > >>> I've been bedeviled by this question for a while, but have been unable > >>> to figure out a clean, no

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Joe
On Wed, 17 Apr 2019 08:15:09 -0400 Celejar wrote: > Currently, my LAN is 192.168.0.0/24, which is also the addressing > scheme of some of the networks out of my control that I'm setting up a > VPN link from. I deliberately used 10.0.0.0/24 for the VPN to avoid > address collisions with these oth

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Kevin DAGNEAUX
Le 17/04/2019 à 14:15, Celejar a écrit : On Wed, 17 Apr 2019 08:37:20 +0200 Kevin DAGNEAUX wrote: Hi, I've been bedeviled by this question for a while, but have been unable to figure out a clean, non-hackish solution. It may be an XY problem ... I have a system (laptop, running Debian) that

Re: Accessing a host with variable IP addresses / connection types

2019-04-17 Thread Celejar
On Wed, 17 Apr 2019 08:37:20 +0200 Kevin DAGNEAUX wrote: > > > Hi, > > > > I've been bedeviled by this question for a while, but have been unable > > to figure out a clean, non-hackish solution. It may be an XY problem ... > > > > I have a system (laptop, running Debian) that is sometimes connec

Re: Accessing a host with variable IP addresses / connection types

2019-04-16 Thread Kevin DAGNEAUX
Hi, I've been bedeviled by this question for a while, but have been unable to figure out a clean, non-hackish solution. It may be an XY problem ... I have a system (laptop, running Debian) that is sometimes connected directly to my LAN, and sometimes connected via VPN (wireguard, to the local

Re: Accessing a host with variable IP addresses / connection types

2019-04-16 Thread Celejar
On Wed, 17 Apr 2019 13:45:05 +1200 Richard Hector wrote: > On 17/04/19 3:03 AM, Celejar wrote: ... > > What I seem to want (but maybe XY?) is some way to adjust the host > > files (or dnsmasq's information) so that the hostname will resolve to > > the LAN address when the laptop is connected to

Re: Accessing a host with variable IP addresses / connection types

2019-04-16 Thread Richard Hector
On 17/04/19 3:03 AM, Celejar wrote: > Hi, > > I've been bedeviled by this question for a while, but have been unable > to figure out a clean, non-hackish solution. It may be an XY problem ... > > I have a system (laptop, running Debian) that is sometimes connected > directly to my LAN, and someti

Re: Accessing a host with variable IP addresses / connection types

2019-04-16 Thread Celejar
On Tue, 16 Apr 2019 20:45:54 +0200 Pascal Hambourg wrote: > Le 16/04/2019 à 17:03, Celejar a écrit : > > > > What I seem to want (but maybe XY?) is some way to adjust the host > > files (or dnsmasq's information) so that the hostname will resolve to > > the LAN address when the laptop is connect

Re: Accessing a host with variable IP addresses / connection types

2019-04-16 Thread Pascal Hambourg
Le 16/04/2019 à 17:03, Celejar a écrit : What I seem to want (but maybe XY?) is some way to adjust the host files (or dnsmasq's information) so that the hostname will resolve to the LAN address when the laptop is connected to the LAN, and the VPN address when it's connected via VPN. [...] What i

Accessing a host with variable IP addresses / connection types

2019-04-16 Thread Celejar
Hi, I've been bedeviled by this question for a while, but have been unable to figure out a clean, non-hackish solution. It may be an XY problem ... I have a system (laptop, running Debian) that is sometimes connected directly to my LAN, and sometimes connected via VPN (wireguard, to the local rou

Re: Can't find ip addresses of devices on LAN

2017-09-01 Thread Steve Witt
On Fri, Sep 01, 2017 at 12:28:05PM -0400, Thomas George wrote: > I have tried ping 192.168.1.225 followed by arp -a > > and I have tried netstat -r > > Neither report ip addresses of attached devices. > > I know there are two devices besides this pc and I know the addr

Re: Can't find ip addresses of devices on LAN

2017-09-01 Thread Markus Schönhaber
Thomas George, Fr 01 Sep 2017 18:28:05 CEST: > I have tried ping 192.168.1.225 followed by arp -a Really .225 and not .255? If so, why? > and I have tried netstat -r > > Neither report ip addresses of attached devices. > > I know there are two devices besides this pc and I k

Can't find ip addresses of devices on LAN

2017-09-01 Thread Thomas George
I have tried ping 192.168.1.225 followed by arp -a and I have tried netstat -r Neither report ip addresses of attached devices. I know there are two devices besides this pc and I know the address of one of these devices. I can ping it and it responds. How to find the address of the second

Re: netcat udp to two IP addresses?

2016-10-01 Thread Thomas Schmitt
Hi, i wrote: > >   mknod ~/fifo p > >   netcat -u PORT1 <~/fifo > >   data_producer | tee -i ~/fifo |  netcat -u PORT2 Paul Duncan wrote: > I shall give that a go I forgot to mention that i ran my test mockup of the last two commands concurrently in two shell terminals. (The fi

Re: netcat udp to two IP addresses?

2016-10-01 Thread Thomas Schmitt
Hi, Paul Duncan wrote: > what the best way is to send it to two IP addresses? If it must happen without much time to study the web, i'd use tee(1) to feed a named pipe from the unnamed one. Then netcat can consume both. mknod ~/fifo p netcat -u PORT1 <~/fifo data_producer | te

netcat udp to two IP addresses?

2016-10-01 Thread Paul Duncan
o two IP addresses? Just as an aside the program reads data from a serial port, so I cannot simply run a second instance of the program. Thanks! Paul.

Re: Tool that says whether IP addresses are routable or reserved

2016-09-10 Thread Henrique de Moraes Holschuh
On Sat, 10 Sep 2016, Joe wrote: > > - From your question I'm not sure this is the answer you are looking > > for, but I'll give it a try. According to RFC 1918 [1], the following > > address ranges are reserved for "private use": > > > > 10.0.0.0- 10.255.255.255 (10/8 prefix) > >

Re: Tool that says whether IP addresses are routable or reserved

2016-09-10 Thread Joe
On Sat, 10 Sep 2016 19:58:50 +0200 wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On Sat, Sep 10, 2016 at 07:36:11PM +0200, Andre Majorel wrote: > > Is there a tool which would take IPv4 addresses on the command > > line and say whether or not they are regular and routable ? > > >

Re: Tool that says whether IP addresses are routable or reserved

2016-09-10 Thread tomas
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Sat, Sep 10, 2016 at 07:36:11PM +0200, Andre Majorel wrote: > Is there a tool which would take IPv4 addresses on the command > line and say whether or not they are regular and routable ? > > host(1) is not very useful for that as it doesn't seem to

Tool that says whether IP addresses are routable or reserved

2016-09-10 Thread Andre Majorel
Is there a tool which would take IPv4 addresses on the command line and say whether or not they are regular and routable ? host(1) is not very useful for that as it doesn't seem to distinguish between an address which happens not to used by a domain name at this time (eg 9.9.9.9) and one which cou

Re: WLAN router doesn't provide fix IP addresses

2014-11-03 Thread Lisi Reisz
On Friday 31 October 2014 08:45:41 Karl E. Jorgensen wrote: > There is nothing wrong with configuring a server with a fixed IP > address (=not use DHCP client), as long as you use the correct > network, netmask and default gateway. This would appear to me to be the obvious solution. Is there a pr

Re: WLAN router doesn't provide fix IP addresses

2014-10-31 Thread Simon Hollenbach
x27;t allow me to specify fix IPs in the internal network for all of our machines. Well - even if it doesn't, surely it allows you to specify which *range* of IP addresses should be used for DHCP? There is nothing wrong with configuring a server with a fixed IP address (=not use DHCP client),

Re: WLAN router doesn't provide fix IP addresses

2014-10-31 Thread Catalin Soare
> fix IPs in the internal network for all of our machines. > > > > Well - even if it doesn't, surely it allows you to specify which > > *range* of IP addresses should be used for DHCP? > > > > There is nothing wrong with configuring a server with a fixed IP >

Re: WLAN router doesn't provide fix IP addresses

2014-10-31 Thread B. M.
e telephone and >> internet over the cable network and the company gives us a wlan >> modem for free. Unfortunately this modem doesn't allow me to specify >> fix IPs in the internal network for all of our machines. > > Well - even if it doesn't, surely it a

Re: WLAN router doesn't provide fix IP addresses

2014-10-31 Thread Karl E. Jorgensen
fix IPs in the internal network for all of our machines. Well - even if it doesn't, surely it allows you to specify which *range* of IP addresses should be used for DHCP? There is nothing wrong with configuring a server with a fixed IP address (=not use DHCP client), as long as you use the

WLAN router doesn't provide fix IP addresses

2014-10-31 Thread B. M.
cloud server on one machine (which is somehow our "server" but not always running), including SSL encryption with a self-signed certificate for its IP address. That worked well for a couple of months because the IP addresses didn't change (although they were not fixed). Now due to

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-24 Thread Bob Proulx
Chris Davies wrote: > Bonno Bloksma wrote: > > I routinely add or remove ip addresses from an interface without having > > to bring the physical interface up or down. > > Me too. (Well, not routinely, but quite comfortably. It's very convenient > when needing to talk

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-24 Thread Chris Davies
Bonno Bloksma wrote: > I routinely add or remove ip addresses from an interface without having > to bring the physical interface up or down. Me too. (Well, not routinely, but quite comfortably. It's very convenient when needing to talk to a new device that's got a default init

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-23 Thread Tom H
On Tue, Oct 22, 2013 at 12:28 PM, Bonno Bloksma wrote: > > allow-auto eth0.9 > iface eth0.9 inet static > address 192.168.1.119 > netmask 255.255.255.0 > gateway 192.168.1.1 > post-up ip address add 192.168.1.199/24 dev eth0.9 >>> >>> What I use is: >>> -=-=-=-=

RE: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-22 Thread Bonno Bloksma
can be handled independent of the physical status of the interface but still react with the interface when it comes up or goes down. See my other mail with this subject. I routinely add or remove ip addresses from an interface without having to bring the physical interface

RE: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-22 Thread Bonno Bloksma
Hi, allow-auto eth0.9 iface eth0.9 inet static address 192.168.1.119 netmask 255.255.255.0 gateway 192.168.1.1 post-up ip address add 192.168.1.199/24 dev eth0.9 >> >> What I use is: >> -=-=-=-=-=- >> auto eth0 >> iface eth0 inet static >> address 172.

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-21 Thread Chris Davies
Bob Proulx wrote: > Tom H wrote: >> I'm pretty sure that the last time (six months ago?) Bob linked to a >> Debian wiki page [...] that used multiple iface declarations for the >> same nic (I've also used multiple declarations). > > https://wiki.debian.org/NetworkConfiguration#Multiple_IP_addre

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-21 Thread Tom H
On Mon, Oct 21, 2013 at 7:29 AM, Bonno Bloksma wrote: >>> >>> allow-auto eth0.9 >>> iface eth0.9 inet static >>> address 192.168.1.119 >>> netmask 255.255.255.0 >>> gateway 192.168.1.1 >>> post-up ip address add 192.168.1.199/24 dev eth0.9 > > What I use is: > -=-=-=-=-=- > auto eth0 > ifa

RE: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-21 Thread Bonno Bloksma
Hi Steffen, >> allow-auto eth0.9 >> iface eth0.9 inet static >> address 192.168.1.119 >> netmask 255.255.255.0 >> gateway 192.168.1.1 >> post-up ip address add 192.168.1.199/24 dev eth0.9 What I use is: -=-=-=-=-=- auto eth0 iface eth0 inet static address 172.16.17.1 netma

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-19 Thread Tom H
On Fri, Oct 18, 2013 at 4:11 PM, Steffen Dettmer wrote: > On Fri, Oct 18, 2013 at 3:24 PM, Tom H wrote: >>> allow-auto eth0.9 >>> iface eth0.9 inet static >>> address 192.168.1.119 >>> netmask 255.255.255.0 >>> gateway 192.168.1.1 >>> post-up ip address add 192.168.1.199/24 dev eth0.9 >

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-19 Thread Tom H
On Fri, Oct 18, 2013 at 4:03 PM, Steffen Dettmer wrote: > On Fri, Oct 18, 2013 at 3:24 PM, Tom H wrote: >>> I'm using Wheezy with ifup version 0.7.8, I think this is the >>> latest officially released (aka "the best") one? >> >> Strange. I was under the impression that Debian 7's ifupdown is us

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Bob Proulx
Tom H wrote: > Chris Davies wrote: > > Tom H wrote: > >> iface eth3.77 inet static > >> address 10.0.5.15 > > > >> iface eth3.77 inet static > >> address 10.0.5.16 > > > > The Debian documentation at > > http://www.debian.org/doc/manuals/debian-reference/ch05.en.html states > > categorically, « Do

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Bob Proulx
distract from the discussion between you and Tom I am going to refrain from saying more about that here and now. > > Configuring multiple IP addresses on interfaces like that is new in > > recent versions of ifupdown. > > Wow, this is surprising! I considered it an old basic classi

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Bob Proulx
Miles Fidelman wrote: > for what it's worth, my (working, for years) /etc/network/interfaces > file looks like this: In addition to what Tom said, you have redundant network and broadcast statements. If you specify the netmask then the network and broadcast will be calculated from the netmask. B

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Bob Proulx
Tom H wrote: > Bob Proulx wrote: > > Of course I know nothing about vlan configuration so I am likely wrong > > here. I just know that visually it doesn't match. However all of the > > docs I see just now suggest using a bridge. Perhaps something like this. > > > > auto eth0 > > allow-hotplu

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Steffen Dettmer
On Fri, Oct 18, 2013 at 3:24 PM, Tom H wrote: >> --->8=== >> auto lo >> iface lo inet loopback >> >> allow-auto eth0.9 >> iface eth0.9 inet static >> address 192.168.1.119 >> netmask 255.255.255.0 >> gateway 192.168.1.1 >>

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Steffen Dettmer
Hi! On Fri, Oct 18, 2013 at 3:24 PM, Tom H wrote: >> I'm using Wheezy with ifup version 0.7.8, I think this is the >> latest officially released (aka "the best") one? > > Strange. I was under the impression that Debian 7's ifupdown is using > iproute but you had a vconfig error in an earlier emai

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Tom H
e physical interface). The OP's asking about eth0.1 NOT eth0:1. They're both virtual. The first is an interface whose broadcast domain is defined and limited by the "1" and the second is an alias that allows you to assign extra ip addresses to an interface. The alias con

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Miles Fidelman
Tom H wrote: On Fri, Oct 18, 2013 at 12:35 PM, Miles Fidelman wrote: Steffen Dettmer wrote: I'd like to configure multiple IP addresses to a VLAN tagged interface. I tried auto eth3.107 iface eth3.77 inet static address 10.0.5.15 netmask 255.255.255.0 iface eth3.77

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Tom H
On Fri, Oct 18, 2013 at 12:35 PM, Miles Fidelman wrote: > Steffen Dettmer wrote: >> >> I'd like to configure multiple IP addresses to a VLAN tagged interface. I >> tried >> >> auto eth3.107 >>iface eth3.77 inet static >>address 10.0.5.

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Tom H
On Fri, Oct 18, 2013 at 11:36 AM, Chris Davies wrote: > Tom H wrote: >> iface eth3.77 inet static >> address 10.0.5.15 > >> iface eth3.77 inet static >> address 10.0.5.16 > > The Debian documentation at > http://www.debian.org/doc/manuals/debian-reference/ch05.en.html states > categorically, « Do

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Tom H
On Fri, Oct 18, 2013 at 12:05 PM, Steffen Dettmer wrote: > On Fri, Oct 18, 2013 at 1:18 PM, Tom H wrote: > thanks again for your fast help. You're welcome. >> So Bob must be right about your ifupdown version not using iproute > > I'm using Wheezy with ifup version 0.7.8, I think this is the

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Steffen Dettmer
Hi, just in case someone still reading my boring DHCP client attempts, to complete the topic here my findings about behavior at shutdown. Even with simply /etc/network/interfaces configuration: allow-hotplug eth3.77 iface eth3.77 inet dhcp and manually starting "ifup eth3.77" after boot, on

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Miles Fidelman
Steffen Dettmer wrote: Hi, I'd like to configure multiple IP addresses to a VLAN tagged interface. I tried auto eth3.107 iface eth3.77 inet static address 10.0.5.15 netmask 255.255.255.0 iface eth3.77 inet static address 10.0.5.16 netmask 255.255.255.0 but I get an

Re: Configuring multiple IP addresses on VLAN interface using ifupdown

2013-10-18 Thread Chris Davies
Tom H wrote: > iface eth3.77 inet static > address 10.0.5.15 > iface eth3.77 inet static > address 10.0.5.16 The Debian documentation at http://www.debian.org/doc/manuals/debian-reference/ch05.en.html states categorically, « Do not define duplicates of the "iface" stanza for a network interface

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