Switching

I have installed a Catalyst 2960-S and a 3750-X-12S and I am trying to setup a VLAN 51 for some VoIP phones. I have added the VLAN as an interface on both switches, but the 3750 is not showing VLAN 51 as active when i do a show vlan. Also, it omitts ...

I am trying to get this working in the lab and it is not working and I just wanted to make sure that it won't work this way unless I'm missing something:Two switches connected to each other via Point to Point linkI enable eigrp VLAN1 has an SVI on Sw...

Hello, I am looking out the way to take IOS Image Backup of 6513 and Restore method from TFTP server also.

                   Hi, i have a 3750 ME(C3750ME-I5-M), Version 12.2(37)SE1, RELEASE SOFTWARE (fc1)The cpu processes is in 90% and 80%CORE-MPLS-3750ME-1-HOWA#sh processes cpu | exclude 0.00CPU utilization for five seconds: 61%/43%; one minute: 58%; fi...

Hi All,I would like to share with you one problem. We have FEX (2232TM) connected with 2 x NEXUS N5K-C5596UP.One port  Ethernet 101/1/7 which was connected to Dell Server went down...It was working for a couple of weeks at least. Then the link went d...

We have Cisco Catalyst 3750X-48T-S Switchs in our environment.  Currently, all are loaded with the 12.2.58-5E2(ED) IOS.  Review of the available IOS's for these switches shows two possibilities.  The 12.2.58-5E2(ED) IOS was last updated in July 27, 2...

I have 2 Nexus 5548UP w/ the layer 3 daughter cards on them. As such, ISSU cannot be done, but has anyone had any issues with upgrading the 5k's when they are HA configured with vPCs?Also, is the install process any different with the layer 3 cards?

Cisco 2811 runs ITP IOS. On that router we run the SMPP service. A client on the network connects to this service, and we need to capture the traffic for debug.I've tried traffic-export, but I cannot see any outbound traffic.Is there any way to c...

I am currently running 12.2 (53) and am looking to move up to the 15+ train. Are there any pre-reqs prior to the upgrade that any one is aware of?Unfortunately I have no "lab environment" to test it in. I have production switches with minimal impact ...

Hello Guys,I have a doubt regarding the Port Security. After the port security is implemented, can I plug my computer in another Port, or is this computer just registered on the port that it was connected when the port security was implemented?If yes...

Hi,I have a ASA 5585 and a Nexus 5596, and i need a sugestion to configure this cenário:My users in the Vlan 10 need access on the network in the Vlan 20, but this traffic must be filtered for firewall. In the firewall a received a trunk port for Nex...

Hello,We have two switches of the same model (WS-C3560-48PS-S) that are not providing PoE. I'm trying to remotely determine what the cause of the issue is.Here is some output.Hostname#show power inlineAvailable:0.0(w)  Used:0.0(w)  Remaining:0.0(w)In...