Switching

We have a fairly static environment and I was thinking about configuring MAC authentication on the ports of my access switches - any drawbacks or reasons not to?

Hi,From one server I am not able to ping to another server in same vlan (same switch).this does not happen all the times.sometimes i am able to ping to some servers. after sometimes i am not able to ping to same severs (servers which responded for pi...

Hi,we have VSAT connctivity bet ween the our MCX server and the NSE .am able to ping the NSE server from MCX server but after connecting to our lan Its getting disconeected 4 5 times regularly .we will do it by restarting the CSU/ModemHow we can Iden...

Hi,I have a ws-c3750e-48td-s which came with the IP BASE image (12.2-53).  I want to evaluate IP Services so I installed the UNIVERSAL image of the same version and started to get the ILET message that says my switch may be running copied or unlicenc...

Hi, I could see a lots of packet drops in my network, i checked it because of facing a problem in accessing a remote webserver from a network. I configured port mirroring feature in that 4500 series cat switch and captured packets in wireshark and i ...

I'm about to start implementing loopback interfaces and /32 addresses for monitoring and management purposes. My question is what to do about address management. If I assign /32 addresses to each device I can see my routing tables growing quite large...

Greetings - Does anybody know if the modules on a 4510 are both hot-swappable and plug and play?  We have some 4510's and have found that we need to add new modules to get more available ports.  I just need to know if I will need to shut the switch d...

I have a pair of 3750s arranged in a stack - at the moment both are showing as Master and one is unreachable (console works). Has anyone come across this before and know of a fix without rebloading?TIAGraham

Hi,I have cisco switches as core  and HP 3500 as access  layer..Now here are the my querires..1) Which is the best spanning tree to run on both the switches(cisco & HP)Also I am using ciso as Access switches(stack)..How OR from which switch need to e...

Hi all,Hope you can clarify something for me.I have inherited this config so don't shoot me! We have 3 sites all connected by a site to site vlan with 1GB dedicated LES circuits. So on our main site (AA) vlan 10 is created with ip address 192.168.1.2...

Hello all,I am new as a Cisco admin and a recent CCNA. I have a perplexing problem. Recently we experienced a power loss in our switch core which consists of Catalyst 3550 switches. All links came up after power was restored except for two. One was a...