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Cisco Bug: CSCvv91239 - N9K could not learn MAC address of silent hosts after TCN occurrence

Last Modified

Sep 30, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

7.0(3)I7(9) 9.3(5)

Description (partial)

The MAC addresses of the silent hosts might not be learnt by N9K after continuous TCN occurrence.

For example:
N9K# sh ip arp vrf test | in    00:13:27  0000.0600.008b  Vlan10
N9K# sh mac address-table | inc 0600.008b <<<<<< NO MAC
N9K# sh mac address-table | inc 0600.008b

1/ multiple TCNs
2/ silent hosts in network
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