On Tue, Sep 04, 2012 at 09:18:43AM -0400, Brad Plank wrote: B> VLAN interfaces that have a parent interface configured with an IP B> address do not show up in the arp table. If the VLAN's parent interface B> does not have an IP address, it will show up in the arp table. B> [Notice the output from ifconfig below, to duplicate this issue.] B> B> #ifconfig B> em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 B> options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> B> ether 08:00:27:b7:11:3b B> inet 10.20.13.104 netmask 0xffff0000 broadcast 10.20.255.255 B> inet6 fe80::a00:27ff:feb7:113b%em0 prefixlen 64 scopeid 0x1 B> inet6 2620:3f:8000:1:d::104 prefixlen 64 B> nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> B> media: Ethernet autoselect (1000baseT <full-duplex>) B> status: active B> vlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 B> options=3<RXCSUM,TXCSUM> B> ether 08:00:27:b7:11:3b B> inet 172.16.200.104 netmask 0xffffff00 broadcast 172.16.200.255 B> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> B> media: Ethernet autoselect (1000baseT <full-duplex>) B> status: active B> vlan: 115 parent interface: em0 B> B> # arp -an B> ? (10.20.13.112) at c8:60:00:c3:24:19 on em0 expires in 1182 seconds B> [ethernet] B> ? (10.20.13.9) at 00:12:3f:20:b9:4c on em0 expires in 1104 seconds B> [ethernet] B> ? (10.20.13.104) at 08:00:27:b7:11:3b on em0 permanent [ethernet] B> ? (10.20.13.110) at 00:90:fb:02:db:e8 on em0 expires in 669 seconds B> [ethernet] B> ? (10.20.13.109) at 08:00:27:7c:19:d5 on em0 expires in 1199 seconds B> [ethernet] B> ? (10.20.254.254) at 00:00:5e:00:01:33 on em0 expires in 1179 seconds B> [ethernet]
Can't reproduce that on 10-current: root@behemoth:~:|>ifconfig vlan0 create root@behemoth:~:|>ifconfig vlan0 vlan 666 vlandev igb1 10.205.0.1/24 root@behemoth:~:|>arp -s 10.205.0.2 0:0:0:0:0:0 root@behemoth:~:|>arp -an root@behemoth:~:|>arp -an | grep vlan ? (10.205.0.2) at 00:00:00:00:00:00 on vlan0 permanent [vlan] root@behemoth:~:|> May it happen that your vlan0 really doesn't have any entries in arp cache? -- Totus tuus, Glebius. _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
