Switching

Hello,I'm just wondering how sticky ports work.  We have a few Cisco switches that have single devices plugged into the ports and I know if I enable sticky ports thenthe port will be locked down to just that mac address.  However we have a few ports ...

Hi All,We purchased ME 3400 switch and trying to implement it. But its quite surprising in the ME3400 configuration guide that the switch does not support VTP. When I checked in Feature navigator under feature "VTP" i could see ME3400 supports VTP. B...

Spanning Tree protectionBPDU GuardPrevent loops if another switch is attached to Portfast port enabled port.When enabled on interface,  port goes in error-disabled state if BPDU is received Switch(config-if)#spanning-tree bpduguard enable            ...

Hola, tengo 2 routers Thomson tg585V8 de Telmex y quiero usar uno como puente, pero no lo he logrado, creo que tiene algo que ver con el wds, al parecer viene deshabilitado por defecto en los firmwares que usa Telmex, alguien podría ayudarme?

HiThere is some way to increase the speed of changing the interface state from DOWN to UP when the cable is connected.I need to configure a port of Cisco 4503 in a way that when a cable is connected the port goes immediatly UP.A solution can be to ke...

Hello,I don't understand under which conditions the cos-output-q map is used.As an internal DSCP label is added to the packets following classification (for non IP packets, the cos-dscp map would be used to assign a DSCP label, as documented in the a...

If you go to http://cisco.com/go/fn Do a search by feature Filter "VTP"Selecto "VTP (Virtual Trunking Protocol) Version 2"Click Continue buttonOn Release/Plataform tree choose PlataformChose IOSChose ME3400Will be presented many IOS Version that supo...

Hi,I need some clarifcation regarding the MTU concept.I know that IP MTU is 1500 bytes and that includes IP header+TCP header+payloadWhat about ethernet MTU? Is it equal to IP MTU that is to say 1500 bytes?Or it is 1514 bytes --> IP MTU +14 bytes Eht...

Hello all,I have a 3925 Router with a 48 port switch module (part number SM-D-ES3G-48-P).  I have no problem accessing the 3925 Router, but when I go into the 48 port, I get an error that readsError Hardware not supported by firmware.Try loading a ne...

We have 4.5MB of bandwidth available for internet usage.  We want to connect another switch (Layer2) to our network, but want to limit the amount of bandwidth that the computers connected to that switch can have.  Is it possible to limit the amount o...

We have two L3 3750 switches running HSRP and routing for various Vlans on our corporate network. Rapid PVST is running across our entire WAN.   We are introducing a third party solution for remote communications over MPLS.  When interconnecting this...

I want to implement port-based and MAC-based in these two switches: 2960 & 3560 (both of them have this IOS version: 12.2(55)SE1). And I haven't found a way to implement both of them at the same time. This is what I got:ip dhcp use subscriber-id clie...

I have a small network with the following configuration:AT&T 100 MB circuit terminates in their on site switch (I have no visibility)AT&T switch handoff via ethernet to my 3560 switchTwo firewalls and a soho router connected to the switch on VLAN2Swi...