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Cisco Bug: CSCvu66041 - C4500 interface configs removed after RPR failover

Last Modified

Oct 07, 2020

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases


Description (partial)

- Interface configuration missing on C4500 linecard or supervisor interfaces.
- The configuration gets rejected after RPR failover.
- Interface config rejection can be observed on the console port of supervisor that is taking active role.

#### Interface config getting rejected after RPR failover ####
interface TenGigabitEthernet6/1
% Invalid input detected at '^' marker.

% Incomplete command.

interface TenGigabitEthernet6/2
% Invalid input detected at '^' marker.

 description XXXXXXXXXX
% Invalid input detected at '^' marker.

 switchport trunk native vlan ####
% Invalid input detected at '^' marker.

 switchport mode trunk
% Invalid input detected at '^' marker.

 mtu ####

- Upgrading both IOS software and ROMMON firmware at same time
- Upgrade for redundant supervisor done via RPR failover
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  • Status
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