> Been a bit busy today but now I have played with dormant using ip link and > got some odd results: > # > ifconfig eth0 > eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 172.20.0.246 netmask 255.255.0.0 broadcast 172.20.255.255 > inet6 fe80::ad9c:b230:1da8:1821 prefixlen 64 scopeid 0x20<link> > ether 8c:16:45:89:cf:c6 txqueuelen 1000 (Ethernet) > RX packets 1848903 bytes 736764445 (702.6 MiB) > RX errors 0 dropped 0 overruns 0 frame 0 > TX packets 627462 bytes 222453345 (212.1 MiB) > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 > device interrupt 16 memory 0xdc200000-dc220000 > # > ip link set mode dormant dev eth0 > ping sunet.se > PING sunet.se (192.36.171.231) 56(84) bytes of data. > 64 bytes from webc.sunet.se (192.36.171.231): icmp_seq=1 ttl=54 time=2.22 ms > 64 bytes from webc.sunet.se (192.36.171.231): icmp_seq=2 ttl=54 time=2.17 ms > > # > ifconfig eth0 > eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 172.20.0.246 netmask 255.255.0.0 broadcast 172.20.255.255 > inet6 fe80::ad9c:b230:1da8:1821 prefixlen 64 scopeid 0x20<link> > ether 8c:16:45:89:cf:c6 txqueuelen 1000 (Ethernet) > RX packets 1905479 bytes 753549572 (718.6 MiB) > RX errors 0 dropped 0 overruns 0 frame 0 > TX packets 648266 bytes 224421617 (214.0 MiB) > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 > device interrupt 16 memory 0xdc200000-dc220000 > still RUNNING .. > > #> ip link show eth0 > 5: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP > mode DORMANT group default qlen > > state is still UP ? > > # > ip link set state dormant dev eth0 > # > ip link show eth0 > 5: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel > state DORMANT mode DORMANT group default qlen 1000 > # > ifconfig eth0 > eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 > ... > > Now both state and not RUNNING :) > but ... > # ping sunet.se > PING sunet.se (192.36.171.231) 56(84) bytes of data. > 64 bytes from webc.sunet.se (192.36.171.231): icmp_seq=1 ttl=54 time=2.43 ms > 64 bytes from webc.sunet.se (192.36.171.231): icmp_seq=2 ttl=54 time=2.31 ms > > I can still ping though. Is this how it is supposed to work ? No sure how > state and mode relate to each other either.
I don't actually know. I know some things are supposed to work while dormant. You should be able to perform 802.1x negotiation, etc. You might find the people on the wireless list know more. I think it is used by wpa_supplicant and hostapd during device authentication. Andrew
