Switching

Hi every one.....Please give me answer of the following questions.   1.What is Native VLAN? 2.What is the purpose of Native Vlan?3. Is this necessary to create a native vlan in the network environment? If yes, then why?  Please give me answer of thes...

We have hosts in Primary and Isolated Vlan on both vDS and behind N5K.Private Vlan problem but can't tell if it's on the VMware vDS side or physical Nexus 5500.Current problem is  VM in Primary Vlan on vDS can not talk to VM in Isolated Vlan on diffe...

Dangerous question I know but how do I show how a port on a certain module is configured on a Nexus 7k?   Ive issued a Show Run and nothing much comes back

I have this weird problem where a specific switch port which happens to be part of a 2 switch 3750 Switch Stack is seeing multiple CDP packets from 3 extra switch port interfaces that are not directly connected. Noteworthy is that the far end devices...

Good Morning,I setup 2 4500x 16 port switches with VSS for a distribution layer.  However, Sw1 has been setup in the location without the 2nd switch.  Can I simply add the second switch without interrupting service since it is the "standby" switch? T...

Hi!I would like to enable ping on a cisco router from time to time for test purpose. I know that by default cisco router come icmp disabled for security purpose.Is there a way to enable this without any interface hang or reset if we want to do it fro...

Hi allWe are adding some equipment to a new site where we will be adding a few Cisco Catalyst 2960S-24TS-L Switch's, they have asked us how much heat each switch will produce how or where can I find this? I had looked under the spec on : http://www.c...

Hi,1.1.1.1   fa0/0   R1   fa0/1  2.2.2.2Router R1 have these two hosts at two different side, may or may not directly connected...1) both host have two way access and access list is applied only on fa0/1 in direction.    access-list 101 permit tcp ho...

Hello,I'm debating my options currently for upgrading one of our end of row consolidated core/distribution switches, we currently run a stack of 7 x 3750G's which are aging badly.Option 1:Straight upgrade to 3750-X based stack or newer 3850's. Option...

Hello all!I have Cisco2911I applied wrong access list to interface, and lost connections via ssh. I powered off 2911 and powered on.Connection via ssh was not restored...I connected router via console cable and found what my changes saved at start co...

We have following classes with respective bw allocation %age:Voice - 10%Video - 20%Business - 50%Default - 20%if there is no voice and video traffic, will their unused bandwidth be used by Business & Default class? if yes, in what %age?if not, how ca...

Hi. I first would like to point out that i did not configure these switches, i inherited them. So here goes.We are getting a lot of out discard errors on all our edge switches. Our edge switches are all 2960x's and are stacked (there are about 3 or 4...