Switching

HiIm trying to figure out how the RPS 2300 works, and how to interpret the lights on the 3750`s and the RPS.So far i figured that the RPS a support two  power failovers at once ( at least reguardeng the  3750).You need to set the rps in standby mode ...

                  Customer  production enviroment is nessus 5000 use 1 G interface * 4 and config Port-channel  ( LACP ) uplink to C3560 , The port channel link is 802.1q trunk , but Data trsnsfer is low , the sh int display as follow :someone can te...

Hi.I'm in the middle of implementing a 5K datacentre with vPC's configured.  I've two 5K's with two 2K's connecting to a P4500 SAN and three physical HP servers.  The vPC's are working no problem with the physcial servers.  The problem I'm having is ...

Server virtualization and coud computing are the driving forces behind the need to span a network's L2 domain. This is where TRILL comes into play. You get horizontal scale-out in a flattened network, with multiple L2 forwarding paths powered by TRIL...

Hi.I'm reading the VLSM chapter on the ICND2 cert guide.Specifically the section for adding a new subnet to an existing VLSM design.In the book It says only the second , third and fifth possible /23 subnets will overlap.I don't understand why the fou...

Hello EveryoneI have an issue with BGP routing lab. I want to ping loopback 1 from R1 to loop 6 in R6 & vice versa , but i don’t want any other router into routing table except BGP peers & loopback1,6&7. All other config is working fine is working we...

Hi team,We are facing to an annoying issue. We have a 6509 runinng in Catos 8.3(4) with WS-X6548-GE-TX, WS-X6348-RJ-45 and WS-X6148-RJ-45. When we configure the mode in auto negociation, it comes up in half duplex. We need to configure the speed mode...

All,I have an issue that I am trying to track down.  When I have 2 servers on the same VLAN on my AS pair, all is good because nothing leaves the switch.  Where the issue is, is when I have 2 servers on different VLAN's and it requires a hop across t...

Hi All,I was doing some R&D and came to a rude shock...I would like to share my experience and expect experts to shed some light... I made a simple topology of connection two switches and making connectivity as trunk.Then I made one switch VTP server...

I have a 3825 router running 12.4-11.XJ4. I want do bridge a vlan through it, config below. but it is not passing the traffic. I have a router connected each side of the bridge router one on each port g0/0.25 and g0/1.25. I just want to create a L2 l...

HI,i have configured SPAN over cisco 2960 to monitor source port traffic but after configuration i dont able to get response from destination port  as my NMS is attached on destination port so i lost its web interface.Configuration is as under. monit...