Switching

HiWhat would you recommend for a multicast configuration on dual 6500's with Sup720's ? Each of the 720's have about 20 VLAN's/subnets. No routing protocol. All hosts point to the Sup720 as their default gateway and anything that is not connected ...

All, I would appreciate any ideas on where I can buy specialty hardware to install a 4900M into a 32 inch rack. The customer does not feel comfortable just front mounting it and the supplied rack mounting kit only extends 28 inches. The customer a...

Hi,When I perform a "write mem" on my 5 switches 3750E stack the CPU is climbing to 100% ? Why ?I also noticed that when I have at least 4 switches in my stack the performances are very slow for wr mem, sh run etc ... ????B RegardsOlivier

Every now and then I get a rogue DHCP server on my network. When i do a sh arp on the address the MAC comes up incomplete. Does anyone know a way to track this down?

I have problem with g0/52 in 3560 switch IT_SW1_3560#show interfaces gigabitEthernet 0/52GigabitEthernet0/52 is down, line protocol is down (err-disabled)This port has gibicAnd I write show errordisble recovery the reson is Err disable reason gibic-i...

I would like to find out if there is a good way to prevent or alert when someone adds a switch or hub to a port that should only have a PC and/or VoIP phone?Mike

I am new to all this so please bear with me.I have a WS-C3750G-24S-E switch and am using it to setup port based VLANs.I want to connect seperate switches to each VLAN port so that I can put several PCs connected to the local switch then connect the l...

Hi, ISR 2821, IOS packaging is SPServ. Have a pretty but important to me question.{(conf)# int ? <!--- want to check is there 'vlan' int is available... there is no Vlan in the ouput ...}What conditions must be met/configured before SVI (switched v...

Hi,Currently i am using c2940-i6k2l2q4-mz[1].121-22.EA10 in which i am not able to enable SSH for remote login, c2940-i6k2l2q4-mz[1].121-22.EA12.bin, but it give an error PERMISSION DENIED.Please let me know what IOS version will support SSH & from w...

We have two IP contact centers in two different locations interconnected by metro-ethernet. However, we have recording system only in the main contact centers. Is it possible to do remote span across the metro-ethernet such that we can mirror the tra...

Hi,I am trying to telnet to cisco 2900 switch. I believe there is a VTY password configured. When I give the pasword. I am getting the below error."Local flow control off""User Access VerificationPassword: Connection closed by foreign host."Appreciat...

We have 2 sites, both with Cisco 877 devices. On both sites, there have been powercuts in the past.The problem is, to recover the devices from a powercut, we need to be physically consoled in to them! Strange eh?When switching them off and on normall...