MPLS Tunnel Support for Traceroute and PMTU Discovery

[dgonzalez85]

Enhancement summary

The following TOI describes support for traceroute in MPLS networks and PMTU discovery:
https://www.arista.com/en/support/toi/eos-4-21-0f/14043-mpls-tunnel-support-for-traceroute-and-pmtu-discovery

The following two commands are required which are not supported today in AVD natively:

  mpls icmp fragmentation-needed tunneling
  mpls icmp ttl-exceeded tunneling 

Which component of AVD is impacted

eos_cli_config_gen

Use case example

MPLS IPVPNv4 network to support traceroutes

Describe the solution you would like

Support for this two commands via eos_cli_config_gen

Describe alternatives you have considered

eos_cli: |
mpls icmp fragmentation-needed tunneling
mpls icmp ttl-exceeded tunneling

Additional context

No response

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