[j-nsp] EX4600 MC-LAG

Fraser McGlinn fraser at frizianz.com
Mon Oct 4 03:08:41 EDT 2021


Hey Guys,

Wondering if anyone has actually successfully got MC-LAG working on this platform?

I’ve got a topology with 4x EX4600’s, split with 2 at each site running MC-LAG on the inter site links (so ICCP etc between the devices within a site only). There is also one router at each site, again with MC-LAG enabled from the EX4600’s at the site towards the router.

It seems to mostly work, but seeing random forwarding drops to the IRB management interfaces across the layer 2 domain. ICCP/ICL Links are up, no drops on them. It almost feels like the forwarding tables gets out of sync to reality, but haven’t been able to prove this as a cause or not yet.

Thanks heaps!

Fraser


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