Re: [Xen-users] e100 + Xen + VLAN -> VLANs don't work?

[Tomasz Chmielewski <mangoo@xxxxxxxx>]

Timo Benk wrote:

(...)

> Script:
>
> #/bin/bash
>
> brctl delif xenbr0 peth0
> brctl delif xenbr0 vif0.0
>
> ip l s xenbr0 down
> brctl delbr xenbr0
>
> brctl addbr vlan10
> brctl addbr vlan20
> brctl addbr vlan30
> ip l s vlan10 up
> ip l s vlan20 up
> ip l s vlan30 up
>
> modprobe 8021q
> vconfig add peth0 10
> vconfig add peth0 20
> vconfig add peth0 30
> ip l s peth0.10 up
> ip l s peth0.20 up
> ip l s peth0.30 up
>
> brctl addif vlan10 peth0.10
> brctl addif vlan10 vif0.0
>
> ip l s eth0 mtu 1496
Hmm, you sure you didn't change anything / pasted the whole script?

# /etc/init.d/xend start   # (empty network-script)
# bash -x script.vlans
+ brctl delif xenbr0 peth0
interface peth0 does not exist!
+ brctl delif xenbr0 vif0.0
interface vif0.0 does not exist!
+ ip l s xenbr0 down
SIOCGIFFLAGS: No such device
+ brctl delbr xenbr0
bridge xenbr0 doesn't exist; can't delete it
+ brctl addbr vlan10
+ brctl addbr vlan20
+ brctl addbr vlan30
+ ip l s vlan10 up
+ ip l s vlan20 up
+ ip l s vlan30 up
+ modprobe 8021q
+ vconfig add peth0 10
ERROR: trying to add VLAN #10 to IF -:peth0:-  error: Invalid argument
+ vconfig add peth0 20
ERROR: trying to add VLAN #20 to IF -:peth0:-  error: Invalid argument
+ vconfig add peth0 30
ERROR: trying to add VLAN #30 to IF -:peth0:-  error: Invalid argument
+ ip l s peth0.10 up
SIOCGIFFLAGS: No such device
+ ip l s peth0.20 up
SIOCGIFFLAGS: No such device
+ ip l s peth0.30 up
SIOCGIFFLAGS: No such device
+ brctl addif vlan10 peth0.10
interface peth0.10 does not exist!
+ brctl addif vlan10 vif0.0
+ ip l s eth0 mtu 1496



> Additionally, it is necessary for me to set the MTU inside the Domain-U to
> 1496.
>
> xendom1~ # ip l s eth0 mtu 1492
Question: do you set up VLANs in domU as well? I hope not, this is a 
wrong approach to VLANs.
--
Tomasz Chmielewski
http://wpkg.org





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