Switching

All,How would I copy then upgrade the IOS on a 3750 via the Console cable? I have a switch I want to add to a stack and I want to put that same IOS version on it.When I put it on the stack with a different version, I received a version mismatch erro...

Group Encryption Transport VPN is the full name for those who aren;t familiar with it...I am at a client site -- a high-end financial firm -- that wants to deploy a GET VPN solution as an overlay to an MPLS topology. Anyway, I am actually looking to ...

Hii..Dere is a switch port which shows err-disabled.the logs just indicate that there was a loopback detected.there is no bpdu stuff involved here, i believe, as the error condition shows loopback detection.Duplex settin seems fine.Pls suggest , than...

We're implementing ip phones on our 3750 - the set up is as follows:PC---ip phone---<l2 trunk>---3750---<l2 trunk>---3750---<routed l3>---3750---<routed l3>---6509---IP officeI had intended to put a service policy on the access-switch interface that ...

Can someone confirm how I think bpduguard works? I think it stops the potential for loops on a switchport that's configured with portfast by either shutting the port down, or sending an snmp trap(depending on which you choose)when it receives a bpdu ...

Hi, I'm trying to resolve some issues with Microsoft Network Load Balancing (NLB).I've read some tech notes about static Layer 2 and 3 MAC assosiation, but my network isgrowing up fast and that solution is not the best option for me. I need a dynamic...

I tried to enable etherchannel on a catalyst 4506 with catos usinghttp://www.cisco.com/en/US/tech/tk389/tk213/technologies_configuration_example09186a008014edfa.shtmlbut the NIC cards require that STP be disabled and I am unable to find any informati...

I have a Floating Static route and EIGRP problem.Processing Site-2811-ASA-1841-3750-2821-MPLS-2821-3560-ASA-2811-2ndrouteProcceAt my main site I have a 3750 at the core of my switch environment running EIGRP in the same network as all my other device...

Quick question about STP. In an environment where you have two core switches running a dozen VLANS or so with HSRP, where core1 is primary for some vlans and core2 for others, and all other switches/routers are plugged into the core with Layer3 inte...

We are appearently not getting snmp traps and syslog messages on our server which is set as the destination for the traps.logging 10.1.1.100logging 10.1.1.200snmp-server host 10.1.1.100 version 2c engeccsnmp-server host 10.1.1.200 version 2c publicTh...

Dear all,We have many industrial application server s connected to 3750 Sw- Its working good previously but since lasr 2 days We are getting slow responce from the application. When I have pinf from one server in one vlan to other server in other vla...

please i have atm interfaces between two locations carrying STM-1 LINK,HOW DO I CALCULATE BANDWITH UTILISATION IN PERCENTAGE,attached is snapshot of show int atm 2/0 taken every 1hr

I am building a 5 hop microwave network for a city emergency radio infrastructure. I intend to build the system in a circle so that in the event that any one hop were to fail, all the remaining locations would still have a viable path to communicate....

Hi all, I have seen on another vendors swotch, mac offset, what exactly is this ?