Switching

hello,on a cat4500 sup6-e switch with WS-X4648-RJ45V-E card,we have some output drops (giga and so 100M speed's interfaces).the default number of output queue is 40.Can we rise to 50 (or 60) ?is there a commande like the 'hold-queue' one ?I know that...

Dear MisterWhat is the diagnostic that I must to use in a Catalyst 6500 with SUP 720, in order to check the NVRAM function.I get the next message in the console:%Error opening nvram:/startup-config (Invalid Checksum) Is better to open a case???Best R...

After upgraded 4006 IOS, system has a BIG error says "your rommon versio obsolete"... 4006 + supIII ios is cat4000-i5k91s-mz.122-25.EWA14Please where can i download rommon and how to upgrade it...Thanks

Hello,which WAN module with Ethernet port is recomanded for 2650MX to route LAN to the Internet ?With best regardsPavel Kral

Is there a way to disable the stack ports on the 3750FS switch? Thanks.

Hi,We are in the process of upgrading a network of 12 6509's from 12.2.18SXF5 to 12.2.33SXI1. So far we have upgraded 8 nodes, and everything has been running smooth.But - yesterday I upgraded another node and got lots of problems. For example:- I go...

Hellowe are expanding a trunk port over a L2TPV3 tunnel (in port mode):trunk port <-> 2811 <-tunnel-> 2811 <--> trunk portEverything works fine but VTP updates are failing.Sniffer shows that VTP packets are out of order after the tunnel. There a 3 pa...

Hi,Please help me to change the enable password of 3750 switch, I have tried renaming the config.txt, but, every time I rename it a new file gets generated.regards,Navinder.

I have a Cisco ASA 5505 in place at a client, and I've got a PC on the network infected with a spambot sending spam. I need to block port 25 to all PC's on the network EXCEPT for the Exchange server. I created an outbound ACL rule on the outside inte...

Hi, can you clarify this:Please find attached sketch.Imagine I am running rapid pvst on this network.I thought about making the "3750" switch as my spanning-tree root bridge.My question:On this type of environment, where I have switches cascaded (for...

Hi,I am looking for an easy to implement method to prevent end users from using ip multicast applications. Does anybody know if it's possible to disallow incoming multicast packets on access ports?Many thanks in advance,Thorsten Steffen

Hi All,I use 3750 router in the main office. 3550 Switch in the remote location. There is a L2 VPN 100 mbps connection b/w these two site.Main Site router has two interface with the network address :192.168.1.0/24172.22.100.0/24192.168.1.0/24 is used...

Hi.I have taken over a poorly designed network, all based on VLAN 1. I also have some very chatty servers, which I'd like to isolate. I know I cannot use private VLANs on VLAN 1, so will need to change to VLAN x and create private VLAN y. I'm happy a...