Hi,
On well run ospf +mpls network ,vpls created cannot reached MTU more than 1490.
Problem happen if one or both of the PE using v7
but if both PE using v6 everything running well.
[admin@SIDE-2] > ping 192.168.200.5 size=1490 do-not-fragment
SEQ HOST SIZE TTL TIME STATUS
0 192.168.200.5 1490 64 3ms
1 192.168.200.5 1490 64 2ms
sent=2 received=2 packet-loss=0% min-rtt=2ms avg-rtt=2ms max-rtt=3ms
[admin@SIDE-2] > ping 192.168.200.5 size=1491 do-not-fragment
SEQ HOST SIZE TTL TIME STATUS
0 192.168.200.5 timeout
1 192.168.200.5 timeout
sent=2 received=0 packet-loss=100%
here is the topology & the rsc file from both PE.
thx