Switching

Hi allI'm trying to solve/identify a problem for one of our customers in an PIX535 <-> 3750-stack enviroment. I think I may know the answer but I really hope someone can prove me wrong.Symptom:100% CPU load (average for several hours during backup/ba...

Hello,we performed a software upgrade on the Big-IP.After that the BIG-IP stopped working properly;obviously the communication to the connectedCat6509 was not working. tcpdump shows onlyoutgoing traffic, nothing incoming. The porton the 6509 is conne...

We have configured Multicast routing on 3550-EMI Core Switches as well as CGMP compatibility for our 3548XL L2 edge switches. Currently Multicast imaging works in most of the clients LAN locations. However at one particular site they are having mass...

hi everyone, i had a question regarding bgp.Suppose i have 2 routers peering with an ISP ( whether same ISP or 2 different ISP ) lets name these routers RA and RB. i want RB to make a peering session with its ISP if and only if RA fails its bgp sessi...

hq has sent down to us a catalyst 2950 switch. I've used Express Setup to configure ip address 10.10.11.200. Express Setup seemed to go us described.I've installed the switch:router[10.10.11.252] <-> switch [ 10.10.11.200 ??] <-> pcThe switch works. ...

Hello,Can anyone pls guide how to find loops in the network and remove that frm a general scenario view point when there is high utilisation found and network is unstable for all.Router part is found to be fine.One of the way is block one of redundan...

Hello to all my invisible mentors,Here today with two problems as follows,1.Threee Vlans were created and later removed but the interfaces assigned to them does not shows up in the default vlan interfaces,(int fa0/2, fa0/5 and fa0/10 respectfully) pl...

In a world with no redundancy, your workstation sends a packet to the IP address of the server on the same network. The workstation checks its arp table doesn't see the address, arps for it to get the mac address and sends the packet. At this point ...

I would like to set up a stand-alone IPv6 test lab with a switch that supports VLANs and can act as a RA Daemon. If this is possible, what would be an adequate switch?

Besides the number of ports, is there any major difference between 48 or 24 port 3750 Switches. I was reviewing the model comparison chart and noticed that the forwarding Rate was more than double for 48port switch. 24-port has forwarding rate 6.4m...

My director gave me a project to test out and see if I can get the old hardware working. I came across a catalyst 3500 XL and tried to boot it up but the RPS LED was a solid amber. I looked it up online and saw that, that mean the RPS could be faulty...

I can't console/acess a 4003 cisco switch. I am not sure if it's the switch or something in my Laptop that' s not allwing. your help is appreciated.

Alrighty then. I've been passed the ball on this new network infrastructure the company is doing. And I can't, for the life of me, figure out exactly what's wrong here. Situation: Switch Stack configured to 10.20.13.2.MPLS Router is 10.20.13.1VoIP VL...

Hi there - Would anybody be willing to let me know if my SPAN port is configured correctly? I believe that it is configured correctly but I am looking for somobody to just look it over just to make sure that I am not missing something. Currently we...

Hello all,I would like to know how snmp traps can be enabled on the interfaces for output drops/ crc errors / link status ( on ethernet). I need to do this on 45xx and 65xx series switches connecting to the servers. This is to monitor the ports con...