Tuesday, January 5, 2021

Cat9K MPLS Network - CE to CE traffic broken!

I've just recently lost connectivity between a couple of CE's on my mpls network. The PE routers are spitting this out in the log, which I'm guessing is the problem, but I don't understand what it means or how to check the issue:

Jan 5 16:08:23.198 Hawaii: %FED_L3_ERRMSG->3-mpls_resume_create: Switch 1 R0/0: fed: Resuming> create for MPLS LABEL ENTRY resource

Jan 5 16:08:23.199 Hawaii: %FED_L3_ERRMSG-3-mpls_pause_create: Switch 1 R0/0: fed: Critical limit reached for MPLS LABEL ENTRY resource. Create paused

Jan 5 16:08:23.200 Hawaii: %FED_L3_ERRMSG-3-mpls_out_of_resource: Switch 1 R0/0: fed: Out of resource for MPLS LABEL ENTRY. Failed to program local label:903 (2048/2048) in hardware

Anyone know how to troubleshoot this? I am running Catalyst 9300's on 16.9.4/5/6 and 16.12.4.



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