Switching

Hi all, Im I have a requirement to connect 24+ uplinks to a switch with reasonable performance. I was looking for model in the 3750 series.I dont want to stack switches.Is these any model that can support this?I know the 4500 will definitely do the j...

Hi,Using Avaya phones, each phone requires 15.4Watt of power, so using a 2960 there is no where near enough power for 48 phones, let alone 24. Is there a better model with more POE overall power?Is there a way to boost the power of current models ?...

Hi all,I am planning to install this switch as a 24-port all SFP "core" switch in a relativly small office.I am looking for the following information:1) port-group mapping. When using all twingig convertor modules, which interfaces are connected to t...

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...