Switching

Dear All,I have a project consists of 18 IDF rooms with 55x48 1G ports Access Switches, 2 x10 G uplinks to each core switch (2xN7k), 270 Wireless Access points.what is the preferred switch? Cisco 2960-XR was recommanded for access switch, is there an...

HiIs there any issues of multicast traffic on Nexus 7k

Hello.We are looking to have a setup like this:                                                      User PCs                                                            |                                                            |                   ...

Hi ,How we can check the chassis serial number ( Not Process ID). My switch is Cisco WS-C6509. Show Inventory and Show Diag is not working in this switch. Is there any other cmd for getting the chassis S/N.

I've been working on getting wake on LAN setup in our corp network.  At the center of our network are a pair of Nexus 7Ks.  While I have been successful in getting WoL to work over UDP 7 across subnets and out to our remote sites, I have not been suc...

Hi,I'm trying to configure a RSPAN with multiple source ports on multiple switches and 1 destination port.On the first switch I have :Session 1---------Type                   : Remote Source SessionSource Ports           :     Both               : Po...

Hello !!Is it possible with OSPF  to advertise to a specific neighbor route that router originate it-self, with redistribution command, as metric-type 1  and for for all others neighbor metric-type 2 ?Example,   I'm router and I have 2 ospf neighbors...

I am troubleshooting an issue with CPU utilization on a 3750X stack. The show controllers cpu-interface tells me that the icmp queue counter is growing quite fast ... about 5000 per second. I read that this is a queue for ICMP redirect messages.Now, ...

hi all,i just noticed today that i have a client in my manufacturing with about 300 feet connected to my switch, a laptop on the generator maintenance.  how far is the guide line i can have for a switch like 2960s?  i think i had this on my exam befo...

Hi allIt‘s a 3750 switchMy colleague can  login to the device remotely via SSH，But when he Telnet to the other equipment in 3750 by cli，3750 will be instant high CPU, The device will not work properly。model and ios versionWS-C3750G-24TS     12.2(55)S...

Hello,I have a stack of 9x3750X switches and one of them has just crashed. Can anyone tell me what the problem might be?6 15:22:24.608: %SWITCH_QOS_TB-5-TRUST_DEVICE_DETECTED: cisco-phone detected on port Gi4/0/39, port's configured trust state is no...

Hi,what uplinks on 6500 sup used for? is it just provide connectiving to the uplink switch? if so,  how would it be different if we provide uplink connectivity through line card ports instead?what's 6500 HA uplink and HA redundancy?

Hello!I have a customer who has 1 x WS-C3850-48P-E, and 2 x WS-C3850-48P-S switches that they wish to put in to a stack together.  Plans have changed, and they now do not need the -E IP Services feature set at the specific location.I find the followi...