Switching

I have simple topology:routerA(1.1.1.1 /30) connected to routerB(1.1.1.2/30)I need to filter traffic between both routers (to allow only port 80 traffic from A to B).I am not allowed to access routerA and routerB configuration.But I'm allowed to put ...

Hi All,Please let me know which UPS I can setup for my Cisco Router 2811. This router will be installed lone at a corporate apartment for Internet connectivity between two different floors. So just in case of a power outage I don't want to damage the...

My router failed over and i havent figured out why.. they are using HSRP.. please assist... both are showing active with an unknown peer.. and the backup is being accessed when using telnet to the virtual IP..please assist.. see config several vlans ...

Currently using IOS 15.0(2)SE6.0 LANBASEK9-M. I'd like to set up NAT for some of my workstations to get to the internet.

Hiplease help me with create Script for back up and switch utilization automation. ThanksAlex M

two WS-C2960S-48FPD-L switches with different version ,one is 12.2(55)SE7 and one is 12.2(55)SE8  stack together.will it be problem ?

Plzz Tell me that There are need to configure spanning tree Command in L3 Switch, if yes then Why? 

My user came to me with a broken IE-3000-8TC. It is out of warranty. The grounding tabs have been bent, but it is otherwise functional. I'm looking for a non-functional IE-3000-8TC or IE-3000-4TC that I can purchase inexpensively for these parts. Ple...

Hi all,We purchased 3 used Cisco Catalyst 3750G switches.I have removed vlan.dat, I did write erase however there are some other files on the flash.Switch#show flashDirectory of flash:/    3  -rwx        5830   Mar 1 1993 00:02:38 +00:00  config.text...

Hello,I'm trying to configure a port-channel between two 6807xl chassis, I have got  a 40G module and 4x10G in each of them, I would like creating a port-channel between the two devices using that five ports (40+4x10=80G), I create the port-channel b...

Dear Team, We have Nexus 5548 connected to Nexus2K. We want to connect following.. Nexus5548 -- 2960 -- If I keep with trunk the link is up also I can see in Nexus, 2960 as a neighbor but I can not ping.Nexusswitchport mode trunkspanning-tree port ty...

I've never seen anything like this before and I'm completely baffled at this point.  We have a flat network with about 200 devices including workstations, servers and printers.  Everything was working fine this morning, then all of a sudden we starte...