Switching

We have been tasked with the possibility of implementing jumbo frames on some of the switchports that are used by our servers. I see where you can increase the MTU size on the ports. However, I have also seen that if you're going to do this you hav...

I have 3 3560's in one closet that are connecting with copper SFP's between each other. The top 3560 and bottom 3560 have a fiber SFP to the Core. How important is it to have the return cable from the top 3560 to the bottom 3560 switch?

1. Can a 2960 be part of a 2950 cluster? If so, can the 2960 be the master switch ?

Hi all,I have a new 2811 running 21.4 (3h) Advanced Security image.Could someone please advise if I should upgrade this image to a more stable or newer release.TIA

I have set up an out of band vlan to control some otherwise routed devices. I had some questions and would like to find a good book on security. Do you have a favorite? Also interested in IPv6.I ran my vlan from a central switch, where I just too...

I have a dead switch catalyst 3560 and will not power up at all.I have a spare and thinking if there's a way to swap their power supply unit.

Hi,I have WS-C2960-24TC-L Switch with Software Ver 12.2(25)SEE3 and imge C2960-LANBASE-M currently on it. I want to enable SSH connections on the switch and believe I need to import the cryto image onto the switch. Is this right and if so how do ...

Hi all,I have the following configuration.Cisco Router 2811 [Router_A] <-> 2960 Switch [Switch_B] <-> 2960 Switch [Switch_C] <-> Cisco Router 2811 [Router_D] <-> 2960 Switch [Switch_E] <-> Hosts [Host_F].Now, the Switch_B is configured in VTP Server ...

Hi guys,can anybody advise me on a basic home lab topology: i have 2 routers, 2501-2503 one pc. Also the cables i will need and how they link up. ::trancever:: ::console cable:: ::serial cables:: etc...

HelloRecently one of ours 6500 with sup720 is receiving messages "%EARL-SP-2-SWITCH_BUS_IDLE: Switching bus is idle for 2 seconds. The card grant is 11". We are aware that this message is connected with OIR issue and that one of the modules is experi...

I want to design redundant switch fabric/ CPU to enable redundant core

I have a few questions for 6500 qos acl configuration using CatOS. Here is the scenario:1. I already have qos acl on the switch. It is in the sequence of DSCP value but has no sequence number. Here is an example:set qos acl ip abc dscp 40 udp 172.15....

Interfaces on the same VLAN receive IP multicast's from other streamers on the same VLAN. This doesn't scale well and it is not a proper setup for each streamer to automatically receive one another's multicast.Problem description detail: Streamer 1 a...

we want to replace our old prestandard cat 3524 poe switches, but with the release of the new AP1250 that require 802.3at power we want to hold off until Cisco release an 802.3at switchanybody any idea when cisco will release such a switch