Switching

Hello, I have several 2960 switches that are all running 12.2(35)SE5.I know that 12.2(50)SE1 is out there, and I am curious when it is best to upgrade the software version? If my switch is still PRE-production, am I better off to always upgrade to t...

Hi,One of our Cataylst switches went into a mode I can't find much info on. The STAUS LED on the Supervisor board (SUP1A) went RED. After a power down and power up nothing is coming out of the console port and it goes straight to RED. Power and Fans ...

layer3 switch-----cisco2950-----nortel switch ------pc1since vtp is cisco propreitry protocol , how vlan info will flow into nortel switch. currently i have put 2950 side port into vlan 113 and nortel side port into vlan 1 and pc1 is having ip addres...

Hi all, is it possible to tune the hello and dead interval for vrrp like it is for hsrp ?cheersCarl

I just wanted to know if one can add two additional Gigabit Ethernet ports on Cisco 2821 Router in addition to the two intergraded so to make four.

Why I can not ping anywhere from Cat65.No access-list filter icmp on Cat65.

Switch Devices:one c3560g-48 and one c3550-48 both running IOS 12.2(40)SE and one c3550-48 running IOS 12.2(25)SEE2Printer: HP5500 color with JetDirect card.Problem: Unable to print from anywhere on the LAN to this printer when it is connected to any...

Hi all, can anyone tell me what this means, does it mean the switch will forward whatever traffic goes through it at full throughput for every port ?

Hi all,i have a question about how can i prevent a malintentioned user from: plug in a Hub on point A on switch and plug the other interface on a hub to point B on the same switch.and make a network loop.i ask for hub because they aren't support stp ...

Is there a comparable command in IOS (6500) to CatOS that will power off a module? I'm sure I am just missing it. In CatOS, I can use:set module 1 power down/upto do a hard reset of a module.In IOS there is:hw-module module 1 resetbut this is just a ...

Is there a way to test whether an SFP in say a 3750 is working correctly?

looking to implement QinQ to transport a customer's Vlans through the middle of our network. I found how to define the QinQ ingress port on a switch, but what I am not seeing or understanding is how do I define which inbound trunk ports to the switc...

Hi allI have to migrate a site from Nortel to Cisco, we are having some cat 6500's , I have just been reading something about internal vlans on the cat 6500.we use vlan 1010 to 1016 for our devices, however I believe these are used internally on the ...

I have a router running EIGRP, with a summary address configured on one interface, using the "ip summary-address eigrp" command. This creates a route to null0 in the local routing table, for that summary address, like this:D 10.10.0.0/16 is a ...

Hi all, when we talk about mirroring a whole vlan, are we only seeing the broadcasts for the vlan, or the whole traffic between each and everyport in that vlan ?