Hi all,

I came across the following label allocation limit on ASR920 (ASR-920-24SZ-IM) platform:

ASR920#show platform hardware pp active sdm current
CYLON_NUM_MPLS_INGRESS_LABELS        =      38912
CYLON_NUM_MPLS_EGRESS_LABELS         =      28500

I understand that egress labels are locally generated labels advertised to peers. Ingress labels are received from remote peers. What I don't understand is how to interpret this ingress limit.

If there is a limit on labels received from peers, does it affect VPN labels too? For example, if I receive 10 000 prefixes from remote PE (per-prefix label allocation), does it mean that I've just used 10 000 out of 38912 limit?

Thanks,
Marcin Kurek



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