Hello
I am trying to enable transport of q-in-q double tagged frames over VPLS
through our MX204. The remote end is a switch of another brand (ZTE) and
it has some limitations. The outer vlan tag is not transported so I need
the MX204 to add it back before processing. However I can not figure out
how to do this.
My test configuration:
baldur@formervangen-edge1# show routing-instances poi-formervangen |
display inheritance brief
protocols {
vpls {
## 'ethernet-vlan' was inherited from group 'POI-VPLS'
encapsulation-type ethernet-vlan;
## 'no-control-word' was inherited from group 'POI-VPLS'
no-control-word;
## 'mac-statistics' was inherited from group 'POI-VPLS'
mac-statistics;
mesh-group 1 {
vpls-id 424;
neighbor 10.9.124.0;
}
}
}
## 'vpls' was inherited from group 'POI-VPLS'
instance-type vpls;
vlan-id 424;
interface xe-0/1/7.424;
baldur@formervangen-edge1# show interfaces xe-0/1/7
flexible-vlan-tagging;
native-vlan-id 424;
encapsulation flexible-ethernet-services;
unit 424 {
encapsulation vlan-vpls;
vlan-id 424;
}
I have a client injecting some traffic on the remote switch using outer
vlan 424 and inner vlan 201. Remember outer vlan is not transported, so
the L2VPN would only receive single tagged frames with vlan 201. I need
the MX204 to add outer vlan 424 and transmit packets with outer vlan 424
and inner vlan on interface xe-0/1/7. But instead I get this:
11:10:02.303264 00:22:07:4d:7b:0d > ff:ff:ff:ff:ff:ff, ethertype 802.1Q
(0x8100), length 346: vlan 201, p 0, ethertype IPv4, 0.0.0.0.68 >
255.255.255.255.67: BOOTP/DHCP, Request from 00:22:07:4d:7b:0d, length 300
This is a tcpdump on a Linux server. Vlan 424 is not added and we just
get singled tagged vlan 201 packets :-(.
I have tried all sort of combinations including input and
output-vlan-map but with no success. Anyone have some pointers on how to
accomplish this?
Thanks,
Baldur
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