Switching

I am designing a new model and am really grappling with the fiber uplink speeds.  I am trying to build a network resilent enough to support data for the next ten years.  I am trying to decide if I need a 10 gig fiber uplink to my data center on the t...

All,I have a newbie question.I have two 3560 L3 switches, I would like to setup HSRP so they failover.My question is:How do i setup HSRP with etherchannels.Do i just add standby 1 IP-ADDDRESS command to the etherchannel or vlan interface ?Here is my ...

Verizon wanted us to test a MetroEthernet circuit.  They said they did a loop back to me.  I was up/up on Fast Ethernet.  Normally when you do a loopback and do a show int with a serial , you can see (looped).  How do you see a looped with a Fast Eth...

Hi,How do we identify that  the IOS image file that is stored in the switch/router is a Layer 2 or  Layer 3 image? Thanks.

Loopback interface is a Layer 2 or Layer 3 interface?

SirSimple setup 192.168.10.x lan subnet through PAT all subnet able access internet .now i need helpi have lan ip  192.168.10.30 its kind a streaming device   this device must go to internet and  also through one  dedicated WAN(internet) ip  people s...

Hi,I came across an article  mentioned about Cisco switch port inbound and outbound utilization.  What is switch port inbound and outbound utilization? Can we view those  info in the Cisco switch by issuing some command lines?

Hello,Is it possible to configure different routers to communicate over MPLS using frame-relay on one router and ppp on an other. Here is what I'm talking about:R1---frame-relay encap---[MPLS cloud] ---PPP--R2I tried this once before and could get th...

Hi All, I have a building wide network wih a core switch in the datacenter and uplinks from 8 closet switch stacks. I took a trace from a port from each closet stack to observe broadcast traffic (no port spans, etc). The first thing I noticed was I w...

Hello, I am confused with this statement:According to Cisco Press book, CCNP SWITCH: Offical Certification Guide,  by David Hucaby, if a switch can't support 1024 unique MAC addresses  for its own use, the extended system ID is always enabled by defa...

Friends,We have more than 40 vlans in our switch. Users are connectes in access switch. In Particular vlan (eg : 45) they are accessing some servers/application hosted in US. they are facing slownees in particularaly that time. If they accessing indi...

In the data sheet for the 3750X, the network module (3KX-NM-10G) is described as being capable of taking in 2 SFP+ 10G interfaces, but it also supports 1 Gig SFP.  What are the attacehment rules for these interfaces?  Can all 4 interfaces be populate...