I'm unable to configure trunk port gi2/1 (WS-X6548-GE-45AF) to use the dot1q encapsulation.The screen shot is as follows:interface GigabitEthernet2/1 switchport switchport mode trunk no ip address shutdownendXAP-SF2-DC1(config-if)#switchport trunk ? ...

When I did a show int gig3/43 on a Catalyst 6513, the output showed a high number of runts, inputs and CRC as shown below. Both the switchport and the PC has been set to 100, Full Duplex.5 minute output rate 24000 bits/sec, 39 packets/sec 1390359 p...

After setting the date and time using the "clock set" and "copy run start" commands on the Catalyst 3560 switch, the date and time settings reverted to Mar 1 1993 after powering off and on the switch. Is there a way to save the clock settings permane...

Whenever my Catalyst 6513 access layer switch gets rebooted, I need to manually enter the command "no ip routing". I've tried to copy the running config to the startup config and rebooted the switch and it didn't work. How can we disable ip routing p...

After setting a switchport to 100 Full Duplex, what IOS command can we use to determine that the laptop client has been set to 100 Full Duplex as well?