netdev - Re: bond interface arp, vlan and trunk / network question

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Date:	Mon, 20 Apr 2009 23:39:21 +0200
From:	stefan novak <lms.brubaker@...il.com>
To:	Jay Vosburgh <fubar@...ibm.com>
Cc:	Eric Dumazet <dada1@...mosbay.com>, linux-kernel@...r.kernel.org,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: bond interface arp, vlan and trunk / network question

ip route get 172.21.0.254
172.21.0.254 dev bond0.600  src 172.21.0.1
    cache  mtu 1500 advmss 1460 hoplimit 64

ifconfig -a :
bond0     Link encap:Ethernet  HWaddr 00:30:48:94:7D:1A
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:62221072 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1152153 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:4037489679 (3.7 GiB)  TX bytes:124861822 (119.0 MiB)

bond0.200 Link encap:Ethernet  HWaddr 00:30:48:94:7D:1A
          inet addr:172.22.0.1  Bcast:172.22.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:5 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:250 (250.0 b)  TX bytes:252 (252.0 b)

bond0.500 Link encap:Ethernet  HWaddr 00:30:48:94:7D:1A
          inet addr:172.20.0.1  Bcast:172.20.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:26448 errors:0 dropped:0 overruns:0 frame:0
          TX packets:33570 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:6278388 (5.9 MiB)  TX bytes:6429404 (6.1 MiB)

bond0.600 Link encap:Ethernet  HWaddr 00:30:48:94:7D:1A
          inet addr:172.21.0.1  Bcast:172.21.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
          RX packets:1911 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8665 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:98604 (96.2 KiB)  TX bytes:1208395 (1.1 MiB)

eth0      Link encap:Ethernet  HWaddr 00:30:48:94:7D:1A
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:881723 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1074651 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:108550619 (103.5 MiB)  TX bytes:115574099 (110.2 MiB)
          Memory:f8220000-f8240000

eth1      Link encap:Ethernet  HWaddr 00:30:48:94:7D:1A
          UP BROADCAST RUNNING SLAVE MULTICAST  MTU:1500  Metric:1
          RX packets:61339352 errors:0 dropped:0 overruns:0 frame:0
          TX packets:77510 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:3928939240 (3.6 GiB)  TX bytes:9290795 (8.8 MiB)
          Memory:f8260000-f8280000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:105468 errors:0 dropped:0 overruns:0 frame:0
          TX packets:105468 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:7016087 (6.6 MiB)  TX bytes:7016087 (6.6 MiB)


>        You set arp_interval to 30, so you get one probe every 30
> milliseconds, 33 per second.

Yes, sure. my mistake....

>        There's no "self test" or anything like that, if that's what you
> mean.  If the ARPs work (make the round trip) the link is up, if they
> don't, the link is down.  That's subject to some details related to
> arp_validate, but is basically it.

Ok. my interfaces are now up with arp_validate set to 0/none.
Everything works as expected, thank you.
But with arp_validate set to all the interfaces are always down. :(
I think that i have to use the all option because i have many servers
in that vlan?
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