Switching

Hi all,I'm trying to connect a 3560 to the 2960G switch by CAB-SFP but the port goes to the err-disabled because of gbic-invalid.Is anybody have any idea?thnx

Hi,I have configured PBR to create a backup interface. This is done by using a catch all ACL and setting two next hops in the map. It seems to work OK. But I am trying to understand what PBR tests in order to check if the highest priority next hop is...

Hi there,I have a Cisco Catalyst 4507 and supervisor engine IV. The CPU utilization goes up to 99% during most part of the day. I have made some troubleshooting but I found nothing wrong. The performance of the traffic forwarding was not afected. But...

I have an cisco 831 router that is configured for high speed internet. For some reason I am not able to ping the outside ip address of the router 38.x.x.198 (times-out) even if I remove the 108 access list. I am able though to ping the nat'd ip addr...

I wanted to know if it was possible to have two ip helper-addresses on the same interface, one for a primary DHCP source on a windows box and a secondary source which is the router itself. It seems I can only have one address based on the command.So ...

I posted this in the IDS forum, but didn't quite get an answer that made sense, I'm hoping in the switch forum this might make a little more sense.We currently have Cat6513 switches installed and our looking into an IDSM-2 module, but for the time be...

We are have Catalyst 4506, Version 12.1(19)EW1, Supervisor WS-X4515, WS-X4148-RJ, and new module WS-X4548-GB-RJ45V.when wrote >show module 3 0 Unsupported module WS-X4548-GB-RJ45V JAE1040CVWTWhat is this problem?

Hi All,I am planning to implement trunk port allowed vlan list. Will it impact any stp topology change.

Could someone hel with an issue I have with a C837 ADSL router.Whenever the router is power cycled the router goes into the intital confiration dialog.If I show startup-config all my configuration is there. If I show the running-config it is basicall...

Hi,We have connected two routers on ethernet. We can ping to other router from other router. We have given loopback zero address to each router which is in the same subnet. We have also published ethernet address in ospf process. But still it is not ...

Hi,I just picked up the 871 with the 12.4(4)T4 IOS software (advsecurityk9-mz.124-4.T4.bin). I have trouble finding where/how to enable IPv6 for the router (I am a Cisco router newbie).I was using the following commands:>enable>configure terminal>in...

I have recently replaced a Checkpoint FW1/NT4 box with a PIX 515 (v7). I'm now having all sorts of problems routing around the network. Specifically, my WAN sites (which are connected through another PIX) cannot be reached by some apps unless I place...

Hi,In a lab environment I have configured multicasting of one video source (using rtp) to a receiver host.All routers are configured for sparse mode with one static rendezvous point.The command mstat at the receiving router shows 95 to 99 percent of ...

I am having problems getting an IP telephone to obtain a DHCP address with a 2900XL switch (Version 12.0(5.2)XU)data vlan =1voice vlan = 32I configure the port >>switchport voice vlan 31>>switchport access vlan 1A pc connected off the phone gets the ...