Switching

on a cisco 3750e stacked switch , we are running out of mac-address space.eg:  Total Mac Address Space Available: 0 The current template is "desktop default" template i was of the opinion to change the Default SDM template or break out the stack. Any...

Hi All,i have one 48 port switch and i have applied port security in first 40 ports. these 40 ports are connected to user desks and other 8 ports are connected to meeting room. I have applied mac address sticky in those 40 ports. Now problem is users...

Will changing the TCP Keepalive parameter to 120, from 40320, on two servers have any negative effects on overall networking?keepalive setting was raised to 40320 on 2 servers during debugging. Will there be any effect to overal networking by changin...

I have a switch 3750 x with SFP port, connects with fiber to switch siemens, it is works at 1G, but when after power failure, communication does not work, I do to unplug and plug SFP for the communication is established. with other perifequieques it ...

Hi ,I have problem with my Cisco 2950 switch .I see this error in syslog server  every 8 seconds:CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 128, maximum number of neighbors allowed in neighbor update is 108But i don't   hav...

I'm working on updating IOS on a few switches, and am running into the following issue: Switch#archive download-sw /overwrite /imageonly /no-version-check /destination-system 1 tftp://10.1.1.1/c3750-ipbaselmk9-tar.122-55.SE10.tar Could not buffer tar...

Hi,I've got a few SG300-52 small business switches running software version 1.3.0.62 which I configured for ssh management access with public key authentication via:ip ssh serverip ssh pubkey-auth auto-loginusername mgmt password ... privilege 15cryp...

I have been tasked with establishing communications from my Cisco 4510 R+E core switch via a new fiber run  (MM, OM3, 945ft) to Cisco 2960X switch. I'm using pairs of new Cisco SPF-10G-SR's on either end of the fiber. Before deploying the remote 2960...

Hi - I'm trying to work out if I can use the CSR for a specific requirement - see attached diagramI have one requirement where a tenant router on one side of the cloud needs L2 adjacency to another tenant router on the other side of the cloud (both i...

Hi all, Client installed a single mode fibre run from Distribution Switch to Access switch. The distance is not even greater than 100 Metres but the client insisted since the fibre is free.On the Cisco Catalyst 2960X-24TS-L (Access layer not stacked)...

What does this mean?  I just upgraded a switch with ipservices to use layer 3 and now I'm getting this error in the logs?  What should I do?  %PLATFORM_UCAST-4-PREFIX:  One or more, more specific prefixes could not be programmed into TCAM and are bei...