 | | | Traceroute using Virtual NIC (bond0:0) over bonded interfaces (bond0) fails. | Traceroute using Virtual NIC (bond0:0) over bonded interfaces (bond0) fails. 2005-08-15 - By Ed Brown
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For what it's worth, traceroute also fails from a non-bonded virtual
interface:
# ifconfig eth0:1
eth0:1 Link encap:Ethernet HWaddr 00:30:48:10:yy:xx
inet addr:x.y.z.48 Bcast:x.y.z.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
# traceroute -i eth0:1 nsx
setsockopt: No such device
unable to bind to device: eth0:1
-Ed
On Mon, 2005-08-15 at 12:52, Anu Matthew wrote:
> I've two NICs bonded together as bond0. I can do traceroutes using
> bond0 as the interface. But when I configure a virtual IP over bond0
> (virtual i/f bond0:0), I cannot do traceroutes using bond0:0
>
> Its RHEL AS 3.0 (update 5) btw..
>
> Any ideas?
>
>
> [root@(protected) root]# ifconfig bond0
> bond0 Link encap:Ethernet HWaddr 00:0E:0C:6D:60:A9
> inet addr:A.B.C.30 Bcast:A.B.C.255 Mask:255.255.255.0
> UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
> RX packets:204934735 errors:0 dropped:0 overruns:0 frame:0
> TX packets:157330806 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:3717085046 (3544.8 Mb) TX bytes:1706013707 (1626.9 Mb)
>
> Traceroutes using bond0 to any other hosts works:
>
> [root@(protected) root]# traceroute plinux11 -i bond0
> traceroute to plinux11.net.bms.com (A.B.C.29), 30 hops max, 38 byte packets
> 1 plinux11 (A.B.C.29) 0.305 ms 0.190 ms 0.238 ms
>
> Now, here the virtual nic bond0:0.
>
> [root@(protected) root]# ifconfig bond0:0
> bond0:0 Link encap:Ethernet HWaddr 00:0E:0C:6D:60:A9
> inet addr:A.B.C.9 Bcast:A.B.C.255 Mask:255.255.255.0
> UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
>
> [root@(protected) root]# traceroute plinux11 -i bond0:0
> setsockopt: No such device
> unable to bind to device:
> bond0:0 <-- ---- --- It fails.
> bond0:0 -- unable to bind..????
>
> I am able to ping bond0:0 from other hosts.
>
> Is there a limitation that, bonded nic is already a virtual interface
> (well kind of), and one cannot create a virtual nic over a bonded interface?
>
> Many thanks in advance.
>
> --AM
>
>
>
>
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