Cisco routers may not maintain the same queue numbers when a reboot occurs. This means that TotalView’s QueueVision™ may not show any history for the previous queues. This can be fixed with the following Cisco IOS commands:
Router> enable
Router# configure terminal
Router(config)# snmp-server ifindex persist
Router(config)# snmp mib persist cbqos
Router(config)# end
Router# write mib-data
The above process will create persistence of interface ifIndexes and Class-based QoS queueing information.
Additional details are available on Cisco’s website: https://www.cisco.com/c/en/us/td/docs/ios/12_4t/12_4t4/ht_cbqos.html