Switching

hi,how to select a switch bandwidth needed ,forwarding capacity and backplane etc...if possible kindly highlight the parameter to take in to consideration during designing of network.let's i take example i want to design network for 1000usersnext for...

I recently put in a Cisco 2811 for acting as a SIP gateway and it provides Zone firewall.  All is working.  I am however seeing fairly constant high CPU. The highest proc % appears to be HQF Shaper Backg.  What is this and how can I lower the CPU imp...

I am looking for some information on the Stack and GBIC ports on the SGE2000P.  I have reviewed the documentation on the Cisco site, with no luck.Stack Ports--------------1. Am I correct that, in order to use the stacking ports, I have to give up usi...

Hi allI have been designing a QoS policy for our campus. I have put together what I believe to be good practice, however I have a couple of questions.The first is if I set my policing values for my 100mb access ports and i apply my policy to a 1gb up...

Hello,I have two 3560G, 48 port switches I would like to connect together as "one" using an SFP connector.  One of the switches is already programmed with an IP address, password, vlans, etc.  The other switch is brand new in the default state.I woul...

Hello together,we have a Catalyst 6509 VSS 720/10G System with IOS 12.2(33)SXI3 (IP Services SSH).The Cisco MiB Locator shows that the LLDP-MIB is available for this system. But allSNMP queries (v1,v2c) for  LLDP-MIB variables shows no results?  The ...

Hell all,can you help with troubleshooting 4510?it has cpu utilization over 80%, this began last week, but what is the cause i dont know.

We have a stack of 2960s that have some spanning tree problems.  No ports are going up/down.  The backplane stacking modules seem to be causing spanning tree to reconverge.  We verify this withshow spanning-tree detail | in is executing|from|topology...

Hello,We are having an issue moving a WS-SVC-CMM Cat6k Voice Linecard from a WS-C6509 chassis to a VS-6509E-S720-10G chassis. Each time we have tested moving the voice card it starts through the boot process then powers off with the following message...

Dear MisterIs posible to do that? By sample, in the 4500 or 3750, is possible to see the packets marked with the resective DSCP?In the 7600 I searched by commands, but I didn´t find? Does exist any tool (exception the sniffer) for this?Best Regards

We have a VMware enviroment where there are are multiple virtual servers that are using Microsoft Network Load Balancing.  So each VM has it's own IP address and then via NLB there is a virtual IP address for load balance.  My server guy has setup hi...

Hii, i wanted to know how i can upgrade my 7 catalyst 2950 switches, what kind of tool i need to use for upgrading process? is there any help on that? or maybe this model is out of use now a day and no more support.your help is appreciatedFadi,

Hello peeps I'm trying to tag all incoming packets received on a particular switchport with DSCP EF. There is a VoIP concentrator connected to that port, so I would like to tag all packets with EF, so that I can more easily prioritize them at the out...