Switching

Hi, I have introduced a new Cisco 3650 into an environment, on doing some checks i've discovered that there are some ACLs applied, even though there are none in the configuration? Does anyone have an explanation for this? Please find the output belo...

Hi Everyone I have a problem while configuring Multiple HSRP, I have two routers, I've configured HSPR on it like this way :  ----------------------------------------------------------------------------------------------- R1#show standby Ethernet2/...

Hello, Im going to upgrade ios on cat 6509 vss (each switch has 1 sup 720-10G) from version 12.2(33)SXJ7 to 15.1(2)SY6. Up to cisco documentation this procedure cannot be done within eFSU mode (only FSU). The steps that I will perform are next: 1. Up...

Hi, I need to attach a Nexus 3500 to a switch of another vendor. Nexus run pvstp, the other vendor run RSTP and is the root bridge. Do you think I will have problem with STP ? The PVSTP is backword compatible with RSTP ? Thanks

WS-C3650-24TS-L with lan base image it support intervlan routing or  not ?

Good morning all, Requesting you to please explain below query . How to find switch which is causing loops in switching network. What are the commands to find the switch which is causing loops in network. Note: without router and spanning tree conce...

I have an issue where my WS-C3560X-24 switch gets somehow overloaded and then reboots.  This last occurred at 2AM this morning when network traffic was very light.  This is a distribution switch, that has five access switches connected to it. My netw...

I'm trying to update the OIS for 3750x-48P-E switch to c3750-ipbasek9-mz.122-55-se4.bin and got the following error: Error: hardware not supported by firmware.           try loading newer software instead.           System Resetting... The rest of o...

Hi, I tried to go through the Cisco document but I got confused whether ASR 1002 will support ISSU or not. Please provide exact steps to upgrade with current IOS XE on ASR 1002 if someone have.

Greetings friends, Does anyone have some basic troubleshooting skills for troubleshooting a video stream from one switch to another.  I have about 100 access switches, with 3 distribution and 2 core format.  Some people are testing streaming between...

Hi all, I am looking for a feature in Cisco switches, which allows coupling interfaces (physical ports) to be bound together, such that a change in the link state of one interface, will result in the same change on the other interface. For example: ...

I have five WS-C3560X-24T-S switches running the lan base license on the UniversalK9 image called C3560E-UNIVERSALK9-M 15.2(1)E2 That has been running fine for a year or so, but recently we've been having problems with these switches getting somehow ...

Hi All We are facing NTP clock issues on Nexus 7010, we have configured Nexus 7010 as NTP source but when I checked after a week , the clock on Nexus was behind by few seconds. Any one else facing this clock drifting? Regards Hemant Kumar