Switching

Hi, (I've included a quick diagram with this post to give a better view of what i'm trying to explain :-) ) I'm planning to use two nexus 9332pq as core switches for a small datacenter, in nxos (non aci) mode. These new switches would concentrate ex...

Hi All, Good Day, I am having a hard time about understanding Spanning Tree Protocol (STP). Do you have a brief explanation on how the process goes? Thanks a lot for your help Pat

What's deference between product number and part number in Cisco switches?

Hello, I came across very odd syslog on C3750 switch with 12.2((55)SE9 IOS, there are 3 members in stack and the PCs which PC connected to Sw2 and Sw3 lost the network connection(can't obtain IP address from DHCP server properly), I believe this coul...

Hi All,My 4507R with SupIV and IOS 12.2(31)SGA10 recently started to recieve this log message quite frequently. Any ideas as to why? It's not causing any problems, just an annoyance. Thanks.003996: Sep 23 13:04:51.676: SSH2 1: Unexpected mesg type re...

We have a stack of 2960s at our access layer, connecting up (via a pair of fibers in a port channel) to our 3750x at the core.  We will have Cisco VoIP phones connecting to the access layer.  So for each switchport I've used auto qos voip cisco-phone...

Hi all, I hope this is possible on this series router.  I would like to have specific traffic go out an established VPN connection to our HQ site and all other traffic go out the internet route.  At the HQ we have a cisco asa which will accept from ...

Hello All, I've implemented the archive feature across layer 2 and 3 devices on the network. I've been having some trouble with the archive feature. I've been successful with all but 3 routers. I receive the following output when I issue the (show ar...

Greetings,  Trying to figure out the cause of a strange outage this morning, was wondering if this was a possible problem.  I migrated a site from TATA's VPN to my own DMVPN a couple of days ago.  It worked through testing on Saturday, it worked for...

See the attached: Cant figure out why the tunnel had a 'down' protocol. If you need more info from the routers...Let me know.  Thanx Team.