I have the following problem. I have minimal configuration of dhcpv6-relay agent on QFX5100. Before the QFX, there is an Edgecore switch on which DHCPv6 snooping is enabled. The problem occurs as soon as I turn on snooping option remote-id (option 37) on Edgecore, at that moment QFX starts dropping packets (Dhcpv6 packet dropped - Bad Options).

Is it possible to turn on some option so that QFX forwards a dhcpv6 packet including the remote-id? Or is there a problem in the packet format that comes from the Edgecore switch? I need option 37 from Edgecore access switch to identify customer port. DHCPv4 + option-82 works without problem.

root@qfx0# run show dhcpv6 relay statistics                      
Dhcpv6 Packets dropped:
Total               75
Bad Options         75


Jan  1 00:33:01.557548 [MSTR][NOTE] [default:default][RLY][INET6][irb.101] dhcpv6_packet_handle: Invalid packet, received interface-id 0x0 remote-id 0xb411924 in a non relay packet

Thanks for any advice



Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Browse other questions tagged or ask your own question.