Re: [tcpdump-workers] IP length vs IP6 length inconsistency

2007-09-21 Thread Hannes Gredler
7 07:04:59 +0300 (EEST) From: Pekka Savola <[EMAIL PROTECTED]> Reply-To: tcpdump-workers@lists.tcpdump.org To: tcpdump-workers@lists.tcpdump.org Subject: Re: [tcpdump-workers] IP length vs IP6 length inconsistency (fwd) On Tue, 7 Aug 2007, Hannes Gredler wrote: > Is the length intended

Re: [tcpdump-workers] IP length vs IP6 length inconsistency (fwd)

2007-09-14 Thread Guy Harris
On Sep 13, 2007, at 11:14 PM, Pekka Savola wrote: On Thu, 13 Sep 2007, Guy Harris wrote: There are differences as to how next-headers are chained in v4 vs v6. but I'd be tempted to argue that a uniform representation would be helpful. Is this inconsistency intentional? If the intent is t

Re: [tcpdump-workers] IP length vs IP6 length inconsistency (fwd)

2007-09-13 Thread Pekka Savola
On Thu, 13 Sep 2007, Guy Harris wrote: There are differences as to how next-headers are chained in v4 vs v6. but I'd be tempted to argue that a uniform representation would be helpful. Is this inconsistency intentional? If the intent is to display the raw value of the length fields in the he

Re: [tcpdump-workers] IP length vs IP6 length inconsistency (fwd)

2007-09-13 Thread Guy Harris
On Aug 7, 2007, at 6:04 AM, Pekka Savola wrote: In tcpdump 3.9.7 (Fedora 7) but seeing the same on FreeBSD, I noticed that on a similarly generated TCP packet, IPv4 output differs from IPv6 in that "length" in v4 includes the IP header length, but in v6 it does not. In the protocol speci

Re: [tcpdump-workers] IP length vs IP6 length inconsistency

2007-08-29 Thread Pekka Savola
cpdump-workers] IP length vs IP6 length inconsistency (fwd) On Tue, 7 Aug 2007, Hannes Gredler wrote: > Is the length intended to print out the whole IP packet length (which in > the case of v6 would probably require chasing down the extension header > chain) or whatever IP header's

Re: [tcpdump-workers] IP length vs IP6 length inconsistency (fwd)

2007-08-07 Thread Pekka Savola
On Tue, 7 Aug 2007, Hannes Gredler wrote: Is the length intended to print out the whole IP packet length (which in the case of v6 would probably require chasing down the extension header chain) or whatever IP header's "next header length" reports? its works the other way around ... you get p

Re: [tcpdump-workers] IP length vs IP6 length inconsistency (fwd)

2007-08-07 Thread Hannes Gredler
hi pekka, Pekka Savola wrote: Hi, In tcpdump 3.9.7 (Fedora 7) but seeing the same on FreeBSD, I noticed that on a similarly generated TCP packet, IPv4 output differs from IPv6 in that "length" in v4 includes the IP header length, but in v6 it does not. There are differences as to how next-

[tcpdump-workers] IP length vs IP6 length inconsistency (fwd)

2007-08-07 Thread Pekka Savola
Hi, In tcpdump 3.9.7 (Fedora 7) but seeing the same on FreeBSD, I noticed that on a similarly generated TCP packet, IPv4 output differs from IPv6 in that "length" in v4 includes the IP header length, but in v6 it does not. There are differences as to how next-headers are chained in v4 vs v6.