00:24:55: %SYSTEM-P:CP %IFMGR-5-INACTIVE: Changed Vlan interface state toinactive: Vl 100:24:55: %SYSTEM-P:CP %IFMGR-5-OSTATE_UP: Changed interface state to up: Te 3/4200:24:55: %SYSTEM-P:CP %IFMGR-5-ACTIVE: Changed Vlan interface state to active: Vl100:24:55: %SYSTEM-P:CP %IFMGR-5-STATE_STBY_ACT: Changed interface state fromstandby to active:Te 3/42Dell(conf-if-te-3/41)#do show ip int brief | find 3/41TengigabitEthernet 3/41 unassigned NO Manual administratively down downTengigabitEthernet 3/42 unassigned YES Manual up up[output omitted]Example of Configuring Redundant Pairs on a Port-ChannelDell#show interfaces port-channel briefCodes: L - LACP Port-channelLAG Mode Status Uptime Ports1 L2 up 00:08:33 Te 0/0 (Up)2 L2 up 00:00:02 Te 0/1 (Up)Dell#configureDell(conf)#interface port-channel 1Dell(conf-if-po-1)#switchport backup interface port-channel 2Apr 9 00:15:13: %STKUNIT0-M:CP %IFMGR-5-L2BKUP_WARN: Do not run any Layer2protocols on Po 1 and Po 2Apr 9 00:15:13: %STKUNIT0-M:CP %IFMGR-5-OSTATE_DN: Changed interface state todown: Po 2Apr 9 00:15:13: %STKUNIT0-M:CP %IFMGR-5-STATE_ACT_STBY: Changed interface state tostandby: Po 2Dell(conf-if-po-1)#Dell#Dell#show interfaces switchport backupInterface Status Paired Interface StatusPort-channel 1 Active Port-chato mannel 2 StandbyPort-channel 2 Standby Port-channel 1 ActiveDell#Dell(conf-if-po-1)#switchport backup interface tengigabitethernet 0/2Apr 9 00:16:29: %STKUNIT0-M:CP %IFMGR-5-L2BKUP_WARN: Do not run any Layer2protocols on Po 1 and Te 0/2Dell(conf-if-po-1)#Layer 2 648