Date: Tue, 04 Sep 2012 09:18:43 -0400 From: Brad Plank <bplank@gta.com> To: freebsd-stable@freebsd.org Subject: Re: VLAN and ARP table Message-ID: <5045FFB3.9090707@gta.com> In-Reply-To: <504257C9.3080502@norma.perm.ru> References: <50410ACC.4010901@gta.com> <504257C9.3080502@norma.perm.ru>
next in thread | previous in thread | raw e-mail | index | archive | help
This is a cryptographically signed message in MIME format.
--------------ms060305040507080009010509
Content-Type: multipart/mixed; boundary="------------010700030701000908030509"
This is a multi-part message in MIME format.
--------------010700030701000908030509
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: quoted-printable
VLAN interfaces that have a parent interface configured with an IP=20
address do not show up in the arp table. If the VLAN's parent interface =
does not have an IP address, it will show up in the arp table.
[Notice the output from ifconfig below, to duplicate this issue.]
#ifconfig
em0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 15=
00
options=3D9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
ether 08:00:27:b7:11:3b
inet 10.20.13.104 netmask 0xffff0000 broadcast 10.20.255.255
inet6 fe80::a00:27ff:feb7:113b%em0 prefixlen 64 scopeid 0x1
inet6 2620:3f:8000:1:d::104 prefixlen 64
nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
vlan0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu =
1500
options=3D3<RXCSUM,TXCSUM>
ether 08:00:27:b7:11:3b
inet 172.16.200.104 netmask 0xffffff00 broadcast 172.16.200.255
nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
vlan: 115 parent interface: em0
# arp -an
? (10.20.13.112) at c8:60:00:c3:24:19 on em0 expires in 1182 seconds=20
[ethernet]
? (10.20.13.9) at 00:12:3f:20:b9:4c on em0 expires in 1104 seconds=20
[ethernet]
? (10.20.13.104) at 08:00:27:b7:11:3b on em0 permanent [ethernet]
? (10.20.13.110) at 00:90:fb:02:db:e8 on em0 expires in 669 seconds=20
[ethernet]
? (10.20.13.109) at 08:00:27:7c:19:d5 on em0 expires in 1199 seconds=20
[ethernet]
? (10.20.254.254) at 00:00:5e:00:01:33 on em0 expires in 1179 seconds=20
[ethernet]
Brad
On 9/1/2012 2:45 PM, Eugene M. Zheganin wrote:
> Hi.
>
> On 01.09.2012 1:04, Brad Plank wrote:
>> VLAN interfaces no longer show up in "arp -an", in FreeBSD 9.x, howeve=
r,
>> the VLAN appears to be fully functional. Any ideas?
>>
>>
> They do.
>
> arp -an
> ? (86.109.196.1) at 00:21:1b:d1:14:1b on vlan818 expires in 1192=20
> seconds [vlan]
> ? (89.250.213.121) at d4:ca:6d:2a:aa:11 on vlan104 expires in 906=20
> seconds [vlan]
> ? (89.250.210.65) at d4:ca:6d:2a:aa:11 on vlan104 expires in 1198=20
> seconds [vlan]
> ? (128.127.144.7) at 00:50:56:a3:48:59 on vlan23 expires in 1188=20
> seconds [vlan]
> ? (128.127.144.5) at 00:00:5e:00:01:0b on vlan23 expires in 1194=20
> seconds [vlan]
> ? (128.127.144.2) at 00:02:b3:e9:8d:0e on vlan23 expires in 380=20
> seconds [vlan]
> ? (128.127.144.1) at 00:1a:64:21:8e:80 on vlan23 expires in 1199=20
> seconds [vlan]
> ? (192.168.9.43) at b8:c7:5d:91:8e:30 on vlan21 expires in 1176=20
> seconds [vlan]
> ? (192.168.9.16) at 94:3a:f0:9f:a1:0b on vlan21 expires in 1103=20
> seconds [vlan]
> ? (192.168.9.19) at 90:c1:15:1b:c9:f3 on vlan21 expires in 1102=20
> seconds [vlan]
>
> Eugene.
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.or=
g"
>
--------------010700030701000908030509--
--------------ms060305040507080009010509--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5045FFB3.9090707>