Switching

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...

i have configuration my network infrastructure with the asa5505 like on image. i want that my users from lan 10.13.10.0/24 can to access to my LAN 192.168.0.0/24. can i use just routing or i must to use site to site VPN. how can i do it? how configur...

Hi Pro,I am facing a strange issue in our metro-E setup. All the switches (3560 and 3750) are running MSTP in single region and all the switches had high CPU due to "HLFM address learning process". Because of high CPU all metro interconnect links fla...

I upgraded my IOS to the current version from the cisco download site.  Now when i log into the switch with the GUI from IE I only get the express setup page.  I apply the settings and reboot the switch and it still comes back to express setup. How d...

Hi all. The corp that I work for have a process where all our configurations are analysed against a Cisco benchmark and any security issues are recorded & logged for us to deal with, with the solution given to us. One such security hole that is highl...

We have a number of 4507s. Most are managed via VLAN 1 address. All have multiple VLANS for traffic control. When I do a show ARP or show IP ARP the command only shows VLAN 1 info. No entries for any of the other VLANS on the switch. Any thoughts as ...