Switching

Hi all, In attachment you have my Campus Network topology that needs to be configured. As you can see, it is a hierarchical structure, where the distribution layer consists of two layer 3 switches, and the core layer consists of two routers. Layer 3 ...

First off, I know there was another topic somewhere in the discussion boards about 3750 high CPU utilzation which I've referenced.  Just looking for some feed back on my scenario here. We're experiencing some intermittent network issues and I'm start...

I had a unscheduled service interuption that caused my 6509 to lose power. I have the 6509 plugged into an UPS. When power was restored it immediately booted into rommod. I figured it may be a corrupt ios image so I went to a working 6509 and copied ...

Hello everyoneI was suggested to go here from the MS technet forums, as my problem originally was related to TFTP, PXE and ConfigMgr, but it seems the problem can be a cisco router. I copied the thread i made:m having a rather peculiar issue with hor...

Hi I am looking for running HSRP between 2 access switches and 2 core switches for client PC and Server network’s next-hop redundancy as per attached setup. As you can see I have used one /29 network for connecting CORE & ACCESS switches & configure ...

I want to install old ios version (c2960-lanbase-mz.122-35.SE5.BIN) from my pc to an old switch WS-C2960-24-TT-L for some test. How do I proceed ? I don`t have done this since a long time. Thanks. Regards.

Hi everyone. We have the following topology:  VSS is working fine on both sides. We can ping each 4500-VSS and telnet each other without any problem. Interfaces Te1/1/1 and Te2/1/1 are part of a Portchannel on each VSS. 4500X-A and 4500-D are VSS act...

I have 2 devices on the each end of a Point to Point.  One side has a Nexus 5000 the other end a Catalyst 4500.  We want a trunk port on both sides to allow a single VLAN for the moment.  I have not worked with Nexus before.  Could someone look at th...

Hi all,In my data center currently I have 13 servers with Cisco Ethernet switch which supports 1 GBPS network that switch is up-linked with a sonicwall firewall.We recently bought a new sonicwall firewall which has a two 10GE port.So I am looking now...

I'm new to using Cisco router. On the network I have to configure they are using an Cisco 851 router. I'm installing a new server which requires port 443 to be open.  Port 80 is already open because of an old server which we will no longer need. I tr...

Hi all, Just wanted to inform you on a strange thing we have seen. We have a 3-link portchannel to a NetApp device, configured for LACP.Last night, one link went down and this brought down the whole portchannel. For some reasons Gi2/0/5 went to "not-...

Dear Concern,                         Is it possible that, i configure some command for multipale switches in one time. Main to say that, I have 50 layer 3 switches, and some time need to configure some command on all switches. Then i login all switc...

Thank you so much for your time and attention. Best,Cory