Switching

Hi!Connection schema is: asa5510 --> cisco switch SG200 --> 1142 aironet (standalone)I did trunk port between devicesvlan 1 (on firewall is Etherenet 0/1)vlan 100 (on firewall is Etherenet 0/3.100)vlan 200(on firewall is Etherenet 0/3.200)and vlans w...

I have googled/searched for this everywhere but haven't been able to find a solution. Forgive me if I leave something out but I will try to convey all relevant information. Hopefully someone can provide some insight and many thanks in advance. I have...

Hello,we are experiencing error messages on our 2 Core switches, WS-C4506-E  with IOS cat4500e-universal.SPA.03.05.02.E.152-1.E2.bin.Sep 22 12:17:24.327 CET: %SYS-3-BADLIST_DESTROY: Removed a non-empty list(8B11353C, name: NSR list), having 1 element...

Hi, I recently tried to upgrade a  WS-C3750G-12S to c3750-ipbasek9-mz.122-55.SE9.bin, and the upgrade failed.NOTE: I needed to delete the previous image to make room for the new image. The upgrade sis complete but when the switch was rebooted, the im...

For most switches Cisco indicates a recommended release (with a small gold star) in the download section (mostly 15.0.2-SE6). However for the 4900M no version is endorsed, so I am doubting a bit between 15.0.2-SE6 and 15.2.2E. Any suggestions?

On an ASR Router, what events cause a Critical LED?  A Major?  A Minor?  Are they related to certain levels of syslog messages? The above info is just not really enough. :-)Thanks for you help! 

Hello, I need to change an database URL. But switch can't end active agent.After release of command I get an message, and nothing happend. After release "no" the result is the same.I had tried no ip dhcp snooping and also use a timers to expire, but ...

I have just installed a new 2960-XR switch as an access switch in our closet. I after setting up vtp info, assigning it a IP address on my mgmt network and setting up the trunk on the 6509 and 2960 ports, I am able to get a link light on both ends. I...

Hi Team,How GLBP falls under L2 while its use Virtual IP to serve 

WS-C3750G-12S switch was part of a stack of 2 identical switches. Stack was rebooted after upgrade to 12.2(55)SE6. SwitchMaster failed to boot and getting %Software-forced reload errors causing infinite loop of boot attempts.I have disconnected the s...