RE: Inter-vlan routing with Vconfig

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>-----Original Message-----
>From: vlan-bounces@xxxxxxxxxxxxxxx
[mailto:vlan-bounces@xxxxxxxxxxxxxxx] On
>Behalf Of Shashi Lad
>Sent: Thursday, January 10, 2008 11:07 PM
>To: vlan@xxxxxxxxxxxxxxx
>Subject:  Inter-vlan routing with Vconfig
>
>Updated ....
>
>Hi there,
>
>I m trying for inter vlan  routing with vconfig.
>
>
>Topology:
>
>
>                    Linux-1                           Linux-2
>                   ______________
>                   |             |
>PC1     ---------- |eth0         |                    ________
>10.10.10.10/8      |             |                    |       |
>                   |         eth2|====================| eth0  |
>                   |             |                    |       |
>PC2     ---------- |eth1         |                    |_______|
>20.20.20.20/8      |             |
>                   |_____________|
>
>
>
>COnfiguration:
>
>Linux-1: [kernel 2.4]
>
>vconfig add eth2 10
>vconfig add eth2 20
>
>brctl addbr br1
>brctl addif br1 eth0
>brctl addif br1 eth2.10
>ifconfig eth2.10 up
>ifconfig br1 10.10.10.11/8
>
>brctl addbr br2
>brctl addif br2 eth1
>brctl addif br2 eth2.20
>ifconfig eth2.20 up
>ifconfig br2 20.20.20.21/8
>
>Linux-2: [kernel 2.4]
>
>vconfig add eth0 10
>vconfig add eth0 20
>ifconfig eth0.10 10.10.10.12/8 up
>ifconfig eth0.20 20.20.20.22/8 up
>
>echo 1 > /proc/sys/net/ipv4/ip_forwarding
>
>Ping from pc1 to pc2 is not working for me.

Are you setting the route / gateway on pc1 to 10.10.10.12 and on pc2 to
20.20.20.22?  Also, I noticed you specifically brought the VLAN
interfaces up along with the brctl statements, I assume you brought eth0
and eth1 up on the Linux-1 box earlier.

>
>Same is working for me when i connect cisco router instead of Linux-2.
>When i do traceroute .. packet is clearly routed from cisco router.

I am guessing you used the same IP addresses for the interfaces when
using the Cisco router.

>
>As ping was not working after assigning ip address on virtual interface
>[eth2.10 & eth2.20] of linux-1
>i assigned ip address to bridge.
>
>for following command on Linux-2
>
>cat /proc/net/vlan/eth0.20
>It was receiving packet but was not transmitting packets.
>I also tried with open source zebra by enabling rip on Linux-2 system.
>
>I m new to this things.
>
>Any help will be appreciated.
>
>Thanks in advance,
>SHashi
>
>
>--
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>
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