Switching

Hello, I hope someone can help with this. we have 2 buidings that were recently connected by lasers. The lasers are connected to thier respective switches in each bulding. Building 1's laser is connected to a 6509 switch running catos software Vers...

Hi all, can anyone tell the the size of the ip header and maximum packet size ?

My employer is expanding we are installing some new servers and a new 2960G 48 port switch. After spending countless hours of trying to figure out why 2 of the 3 servers were not talking correctly, I started looking more at the switch. Seems there a...

Hoping someone can answer my question about VMPS. I recently configured a Cat4000 to act as my VMPS server. Things worked initially, until I had to make modification to the text file that VMPS is pulling from. I manually uploaded the text file bac...

Hi folksI have a vlan interface configured with ip igmp snooping querier, this interface serves a vlan hosting alot of multicast senders and receivers. No multicast routing between vlans is needed at his time. I'm starting to get complaints from our ...

Hi all, can anyone tell me how my voip phones get addresses from my dhcp server, the pc plugs into the phone using untagged vlan, and the phone plugs into the switch, i have helper addresses setup on my switches for both vlans, my question is, how do...

No matter what cables I try, I can not get into a 3005 CVPN - any ideas of what connectors I need?Thank you

Hi all, can anyone tell me how full and half duplex is put on the wire, for half does it only use 1 pair of wires for tx and rx, and full duplex uses 2 seperate pairs for tx and rx ?

I have configured DHCP server on cisco catalyst 3750. But now I am having problem with the IP address assignment. I have exclude the first 70 IP addressesand Last 5 addresses.But now when clients wants to get the IP i got the error thatCO-DATA_POOL i...

Friends, i have a CSM with both radius and tacacs configured, which authenticates VPN teleworkers.the list of users is big and i need to clear it a bit by finding the users that havent authenticate for a long time. is there any way checking it? for e...

From what i have read from the book, can i say that the placing of the following feature are correct from the below answer stated:Portfast: Only access switches where interface invlove end-user ports, cisco devices and server ports.Uplinkfast:Only ...

I have a (2) 2960 48port switches that I'm trying to backup there IOS to my tftp server but I'm getting this error,%Error reading flash:/c2960-lanbase-mz.122-25.SEE2 (Is a directory). I understand the directory part but how can I backup the whole dir...