Switching

The 3550-12g is my core switch and I have 3 fibers going to my server switch which is the 3560g. Do I etherchannel both sides and if I used the command line do I set them to "desirable"? I have read the literature but wading through that can be overw...

The only 2 AD, i know of, that have different internal and external values is BGP and EIGRP.  BGP is super easy to remember because it is 20 and 200, but EIGRP is 90 and 170.Does anyone know why Cisco selected 90 and 170?  i.e. why not like 90 and 19...

Hi,I've just inserted a "GLC-SX-MM=" SFP into our 7206VXR/NPE-G2 router however the router doesn't recognise it. Does this SFP work with this router? If not which SFP should I get for a mumlitmode fibre connection (LC termination)?ThanksDan

I have a 4510R-E chassis running dual Sup6Es.  I am trying to find something that tells me exactly what slots on this chassis supports hot swap.  I know the Sup slots are hot swappable and the power supplies are as well.  However I can't find anythin...

HelloI have been given a 3750 switch to put back to working order. The issue with it is that a user deleted all the content of nvram. So now when the switch is started, it cannot load the IOS from flash. The only option i have are below. Is there a w...

Hello: I have one Cat6k switch running 12.2(18)SXF13.But I see the following error msgs in th log.Mar 28 21:18:57.155 MEDT: %MLSCEF-SP-4-FIB_EXCEPTION_THRESHOLD: Hardware CEF entry usage is at 95% capacity for MPLS protocol.Mar 28 22:18:59.260 MEDT: ...

Ok this is just weird.I have a stack of 2 3750's (WS-C3750G-24TS-S1U) both running IOS 12.2(46)SE.During the work day these switches are constantly at 62% CPU utilization. (this information comes from my monitoring system)Because i wanted to find out...

Hi All,I have 8 2960 switches in the network with 2 3750 as the aggregation switches in the network. I have stacked both the 3750 24 port switches.Now i am planning to connect each 2960 access switch  with 2 gig uplinks in a ether-channel bundle with...

HelloI am currently designing a ethernet driver on PowerPC.To validate the issue of my ethernet frames, I connected with a crossover cable, my evaluation board to a PC where wireshark is running. This configuration works. The frames are sent and rece...

Hi All,I was looking at Dynamic Arp Inspection and IP source guard.Is there an advantage to one vs the other? They have different functions, but they seem to accomplish the same end result...Would one typically implement these together?I've read a bi...

HI,I find that this Cisco 4503 supervisor II plus TS only supports  IP BASE  IOS  .Is it possible to configure  Policy based Routing ( PBR)  ??Thanks in advance.Regards,Magesh