Hello, I finally succeeded in getting dot1q-tunneling with L2PT working over VPLS and a mixed Juniper/Cisco switch infrastructure. The switching path goes like this:
test-server1 -- EX4200 -- MX960 == MX960 == MX960 -- EX4500 -- Cisco3560 -- test-server2 --- Q-in-Q Tunneling with L2PT === VPLS I tried to forward LLDP/CDP traffic to test the tunneling. I had it all working except the EX4500 which for no apparent reason didn't forward the LLDP/CDP packets. I then read in the release notes that dot1q tunneling with L2PT is only supported in JunOS >= 11.2 on EX4500: http://www.juniper.net/techpubs/en_US/junos/topics/concept/ex-series-software-features-overview.html (Why it isn't supported on EX8200 is beyond me) So I upgraded to 11.2R5.4 but still no success. The EX4500 wouldn't forward the packets. The solution? I had to configure set vlans qinq-vlan dot1q-tunneling layer2-protocol-tunneling all on the EX4500 even though it was just TRANSPORTING the packets! Suddenly it all works. On Cisco the frames are just forwarded as expected. I can't imagine why Juniper would drop these frames when they just had to enter on one port and exit on another port. Frustrated Regards Sebastian -- GPG Key: 0x93A0B9CE (F4F6 B1A3 866B 26E9 450A 9D82 58A2 D94A 93A0 B9CE) 'Are you Death?' ... IT'S THE SCYTHE, ISN'T IT? PEOPLE ALWAYS NOTICE THE SCYTHE. -- Terry Pratchett, The Fifth Elephant _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
