Switching

Last weekend we upgraded our Nexus 5K switches to run NX-OS 5.2(1). Since then we see the CDP-4-DUPLEX_MISMATCH messages on several ports while we didn't have these messages on 5.0.3.We see these messages on several ports with different systems attac...

My question is, is there a way to track bandwidth, or see where traffic is coming from rather by a mac address on a vlan.  For an example, I use a management vlan on my network, and if someone added a peice of equipment on that vlan and started gener...

Hi,Assuming i have three routers R1,R2 and R3 sharing a LAN. If i give "ip ospf priority 0" in two of these routers ( say R2 and R3 ) and the router R1 which is the DR for the segment now, fails, what will happen. Since there is no BDR, no router wil...

I need to configure a Cisco 2911. I need to give an interface in this module (VWIC3 - 4MFT-T1/E1) an IP address. My question is, does anyone know how to assign an IP to an interface in this module.My purpose is to get connectivity via T1 line to anot...

I have a 6506-E with 720 Sup. I am trying to connect a server with HP 550SFP Nic to my 6506.If I plug the SFP from my server into my 6506 it will not link. When I plug that very same SFP into a 3750 it links fine. Makes me think that there is somethi...

I am a little confused concerning the Lan Lite and Lan Base images for the 2960 switch.I want to use 2960 switches running vlans and gig ethernet to the servers in a cabinet/rackI have looked at C2960S-24TS-S which runs the lan lite image, but have b...

Trying to find some documentation as to whether there are any other steps for inserting this new module in our N7K. We have 2 blades in already and 2 Sups in 5 & 6. I'm assuming its like the 6500s, where we just slide it in and the OS configures the ...

Hello ,We have many clients who are misusing our company bandwidth by downloading files through BitTorrent.   i tried alot to block it but no luck.Can anyone intruct me on how to block it  on ASA device ?

Hi,Is there a way to change interface numbers on a 3750 stack but, still retain the config of the physical port?For instance:I would like to take the top switch, which has the ports numbered g2/0/1 - 52 and change them to be g1/0/1 - 52. And the bott...

Hi alltonight we suffered a big outage on the network, the fix was to reload the module 3 on the 6509 switch, we had these errors on the log%CONST_DIAG-SW1_SP-3-HM_PORT_TEST_FAIL: Switch 1 Module 3 TestUnusedPortLoopback Port(s)[24,46] failed. System...

Hello,I would like to know the limit of mac address for this switch 3750X,I configured the sdm value to thisThe current template is "desktop routing" template.The selected template optimizes the resources inthe switch to support this level of feature...