Switching

Hello, I have the issue : startup-config file open failed (Device or resource busy). I do clear line 1 and clear line vty 0 but the issue persiste. Version 12.2(55)SE7 FRB01SWR1#sh user    Line       User       Host(s)              Idle       Locati...

Hi, I currently have 2 4500X switches current independent with a trunk link between them in production. I want to configure them for a VSS and I have a couple questions. 1. What will happen to the existing configuration of both switches? Will it al...

Hi, I picked up a nice ws-C3560-24ps -S V063560 as a trade in.  it is marked ios 12.2(25)SEE3 on the back.  what file would I be looking for to upgrade it to the latest IOS for that model?  Since it is 10/100 and manufactured in 2007 it is probably ...

Hello,I'm in the process of setting up QoS and need to mark traffic with DCSP values, specifically Citrix traffic. The DSCP values will be used on the WAN QoS, marking needs to happen before the WAN router.I've configured the following on the 3750:Cl...

Hi all, I've run into this several times now on our 2960S switch stacks.  The stack will run fine for weeks and then suddenly it will stop passing DHCP requests.  As a result the clients leases eventually expire and they fall off of the network.  The...

hello guys, consider the below topology. Why the hell I'm unable  to ping Router 1's Gig0/0 interface (IP 192.168.0.10) when I'm able to ping Router 0's Gig 0/1 interface (192.168.0.1) ? Looking forward hearing from you ! Best Regards Adam 

I have a cat 3560 series switch that has been factory reset and running in rommom mode. Two failed attempts to upload the newest ios using xmodem and now im out of room 4228096 bytes available 11770880 bytes used. All commands i have used have failed...

We have a few 6509-E on our network running IOS: Version 12.2(18)SXF15. We are seeing random issue with the posts: - Polycom devices are rebooting randomly (We have enough POE power) - Video conferencing systems work on certain ports and not others. ...

We are supporting a client that have a standalone 3rd party APs connected to Cisco access switches. Our issue is that some of the roaming devices are producing MAC flapping logs in the Cisco Switches. The client is using Layer 2 roaming for its acces...

Weird one here....It seems like my 10G uplink is too fast for my Voice network to handle. Here is the scenario: I have a 3560 with a 10G and a 1G uplink to my Nexus 7k. The root port on my 3560 is the 10G and my 1G is in a blocking state. My UC envir...

Hi Guys, We are seeing high CPU utilization in one of our sites where we have 3560 as our core switches. Generally both switches show high CPU but not on same time. One thing in common is that almost all the processes add to this issue had it been o...

Hi, I am trying to degrade a IOS version from 3800 Software (C3825-IPBASE-M), Version 15.0(1)M2 to (C3825-ADVIPSERVICESK9-M), Version 12.4(25f) in a Cisco 3825 router. while I am trying to transfer IOS image from laptop to cisco router using TFTPd32...

Dear All, We are testing the WS-C2960XR-24TS-I for use in video applications dealing with IP multicasts. I want to ask if these switches (or routers) are suitable for routing of multicasts. We did notice that if we route multicasts between VLANs (in...