Switching

This is my first time working with these devices. 4 6506s with redundant SUP 720 with Integrated Switching fabric and two 6509 with one 720 sup engine with Integrated switching fabric.I guess my question is how to switch between the router and switch...

Folks,I have/had a flat network. I inherited a network that was basically all catalyst switches/edge devices that all clients,servers etc plugged into the switch NO vlanning and network is 16 bit. I recently purchased a core 4507And I am vlanning cli...

Hi, Does any 7600 user able to get GLC-T or SFP-GE-T working with SPA-2X1GE under 12.2(33)SR IOS? I am having trouble to get it work after upgrade from 12.2(18)SX to 12.2(33)SR series. Both GE port and GLC-T/SFP-GE-T are working when I am using 1...

Is there any disadvantage of running loopguard globally with this command?spanning-tree loopguard defaultI've heard it should only be used on root and alternate ports.

Hi. I configured my router interface for vlan routing. However I am unable to ping any of these subinterfaces from the router itself and when i run: sh ip int brief, it shows e0 as up up but e0.1 and e0.2 as down.The config of the interface is show...

GreetingsI have two 6513 connected over a 40km ZX GBIC fiber trunk using a lease line. Neither side has flow control enabled but I'm starting to see output drops on the trunk interface from one of the switches.Would enabling flow control be a good s...

Hi, This is a campus network with a central core(6500), building aggregation (4500 sup6) and routed access(4500 sup6)I'm trying split my network into different area, 1 area per building. Got a voip and user vrf in each building. Problem,My access swi...

I'm connecting two buildings via DS3. My topology looks like--Core-buildingA---RouterA---DS3---RouterB--Core-BuildingB (Core of building A and B are connected on existing darkfiber and routing OSPF process 1)I want to use ospf 100 and area 0 b/w ser...

Hello,I am looking for some information regarding the possible authentication types I can use with 802.1x. Thanks!

A vendor is insisting their switch must run using the VLAN 1 interface and with it's ports accessing VLAN 1. I can't get rid of the vendor so I am looking for ways around this. My dilemma is the Subnet they are using for their devices and the switche...

Hello guys,I am replacing a whole batch of 3Com switches with Cisco 3750s. However, I would like to continue using the existing 3Com phone system as my budget does not allow for a migration to Cisco IPT at this point.The current telephony solution i...

I have one 2950 switch connected to router fastethernet.But the problem the port in switch which is connected to router is continously blinking in green then red .In switch console there is no message showing interface up down . pls help regaring thi...