Switching

I have 2821 router configured with two subinterfaces. This router is connected on cisco 2960 switch. The trunk on 2960 is configured without any prunning of vlans. I noticed that udp broadcast traffic is being forwarded through my router on native vl...

Hi I have a problem with a catalyst 3508G XL ...The problem is as follows:When I power on the system LED keeps blinking and does nothing.I've tried connecting the cable to the console port, but can not communicate.Someone can help me?

Hi,We will like to prioritize voice traffic for all softphones. The PBX is hosted at vendor's site, so we connect the softphone to an external IP of the PBX.I have scripted something below but not sure how to apply to interfaces as softphones are ins...

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 ...