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Cisco Bug: CSCuo80647 - Multicast Extranet VPN: Grub output after clearing mfib counters

Last Modified

Oct 27, 2016

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.4(1)S

Description (partial)

Symptom:
Grub counters in mfib Transport VRF

Conditions:
Scenario 1
ASR1K PE is configured with Multicast Extranet VPN to act as Multicast Source.

Transport VRF is configured with mdt default. Multicast vrf rpf select command is configured to do rpf check from Transport to Source VRF. Whenever we clear mfib Source VRF counters we can see grub numbers in Transport VRF mfib output.

Scenario 2
ASR1K PE is configured with Multicast Extranet VPN to act as Multicast Receiver.

Transport VRF is configured with mdt default. Multicast vrf rpf select command is configured to do rpf check from Receiver VRF to Transport VRF. Whenever we clear mfib Transport VRF counters we can see grub numbers in Receiver VRF mfib output.
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