Switching

hello dear guysi have a 6509 with sup2 enginei have also a FW module on it,many times when the sup boots, it will recive a software force crashthe resean is also %ALIGN-1-FATAL: Illegal access to a low address i channged some IOS on it what still cra...

Hi,I'm seeing some weirdness on a two port channel with a mode of "on". The channel protocol on the blade is set to LACP and it's a 48port copper blade. From what I see on my graphs, traffic coming from the server is load balanced well I think beca...

I mistakenly posted this as a reply to someone else's question, but was not sure if it woul dbe seen by th ewhole group or just the person who replied....I am also trying to connect a 24 port 2950 to a 24 port 3560 switch using a crossover cable betw...

What is the difference between the "CVK" and "K(8/9)" images? Also, is ssh v2 not supported on 4000 series switches? Thanks.

I ahve a new switch going to Athens. I have checked the timezone and it saysGMT+2 Standard andGMT+3 Current.Which do I set the timezone to as we are shipping this out and may not remember to change it come end of BST.Thanks

I've done a lot of HSRP using multiple routers but never had the need for doing it in a single router using multiple interfaces. So, I was wondering is it possible to do HSRP in one router using multiple interfaces to have one default gateway?

I have 2 Sunray servers that need to use multicasting to communicate keep-alives. Between the 2 servers, there are 4 Layer3 6509 switches (distribution1-core1-core2-distribution2). All have multicating routing enabled and running PIM spare-mode on al...

Hi,I have just purchased and upgraded the IOS on my first 3845 router. I had some issue with installing the IOS, but managed to get the 3845 to accept the new IOS.The router take a long time to reload and I am not sure if this is the correct operatio...

Hello,This is the scenario: We have 4 6506 switches 2 for access layer and 2 for the distributed layer. There are voice gateways connected on the distributed switches and the network analyer are on the access layer port g3/1. The souce span is the v...

Hello,I recently upgraded the IOS of my Cisco AIR-AP1230 WAP. During the copy process, the device was accidentally turned off causing the WAP to lose the old IOS. Now, the device is in AP (ROMMON). What is the command to use so i can copy an IOS f...

In previous versions of IOS, we were able to configure the hostname as an ip address, i.e "hostname 10.1.1.1". With IOS 12.2(40)SE the hostname command will not accept an IP address as the name. Does anyone know is this is intentional or a bug? Doc...

Hi all, I was reading up on tcp/ip, it says tcp is connection orientated and ip is connectionless, I thought that all packets that go over routers etc will always use tcp ? does this just mean that the initial connection over layer 3 (ip) is connecti...

Hi all, can anyone tell me what kind of label mpls puts on to the tag ? is it a name or number, and does the label get changed along the path ? also does the label get applied by a setting on the interface ?can anyone helpcheers

Hi allfrom http://www.cisco.com/en/US/products/ps6845/products_configuration_guide_chapter09186a00806e9f41.html In networks with some devices using MAC address reduction, and others not using MAC address reduction, STP parameters do not necessarily...