Switching

Hi,I have upgraded my Catalyst 3750X-switches to software-version 15.0(2)SE2, but I cannot upgrade the 10G servicemodule to the same version. I use the archive download-sw command to load the c3kx-sm10g-tar.150-2.SE2.tar. The file is loaded to the sw...

I want to know the reason why to use stacking between two switches, and not let as normal with dual links trunk.Why to use them? what about a guide with step by step for configuring it?thank you!

Hi all, I have an interesting issue that may be a little hard to explain.So I took a laptop with wireshark and plugged it into a nexus 5000 port that is configured as a trunk with 3 vlans allowed on it. The laptop was seeing all kinds of traffic on t...

Please help me to configure this router my main objective  is ADSL connection, and wireless network setup.Any help for my basic configuration will be much appreciatedCisco IOS Software, C880 Software (C880DATA-UNIVERSALK9-M), Version 15.1(4)M4, RELEA...

Hi all, I have searched the datasheets to my best but couldnt find values for heat dissipation of 2911 and 3560x. Can someone pls provide me the values as i need it for a customer.Pls respond

HI I need to configure configuring pppoe ADSL on cisco 887VGAny body advise on this

What will be a good fix for remote connection attempt failed(due to session creation failure,local address in BGP???

Hi, everyone!Cusotmer currently insisted that the ping from their NMS/EMS has failed sometiems to get response from host. However, the ping from our PC or server1 does not have any ping loss. By capture from host, the weird thing is ping from custome...

Hello,I am trying to see if a fibre port is at fault here, basically a user is complaining a file being transfered through this fibre link is gettign corrupted, but from the stats below they look ok to me.  There seems to be late collisions and colli...

4506-E cat4500-ipbasek9-mz.122-53.SG"System returned to ROM by abort at PC 0x0"My 4506-E would crash every 10 min, it just started happening this week.  This switch has been in production for ~2 years. I have 10+ other switches with same model, IOS a...

Hi I have a Catalyst 2960-S switch and a pre-standard IP Phone (Cisco 7960). When I connect the phone to the switch the switch recognizes the phone and supplies power. I would like to prevent this behaviour. ie. I would like to disable detection of p...

I have a situation where I have a 3750-X stack bought with the 350w power supplies. A "show Inv" lists model as "WS-C3750X-48T-L". I now need to suport POE in that space. Is it possible to add in a 1100W power supply and have the switch support POE o...