Switching

Hello all,There are 2 data centers which need to be interconnected.Each data center equipped with 6500 switches.coppper connectivity avaliable b/w switches.4 Vlans exist in data center1 with interface Vlans configured on FWSM.all desktops have FWSM i...

Hi,We have NLB runnning on our Exchange email servers on 2 load balanced Cisco 3750's.We are getting issues on our LAN were some users name ping the NLB virtual IP and some can't. I don't understand how NLB works to well, but I have read you need to...

I am replacing a D-link with fiber connection that my predecessor installed. (It's unmanaged and doesn't recognize vlans.) Current setup is D-link>>>fiber>>>media conv>>>4006 gig port.However, I have tried 2 different 2950's (fiber port) using the sa...

We have started getting the following error code in our pair of 6513 core switches.'error in multicast throttle logic'The above error is being entered every few seconds.We have recently changed from sparse mode to dense mode multicast due to an appli...

Hi,I want to configure HSRP in my lab, I only have 2 x C2620 routers and only have 1 x Ethernet and 2 x WIC on each, is it possible to create an HSPR environment?If not how would a simple config look?

Hello all,I have an issue with the show inter port-channel, were it shows me an increasing number of packets and bytes, but no utilization bits/sec. The gigabit ethernet port, which are the members of the portchannel show both, utilization and correc...

Hi all,We tried to use DAI on a switch. Our IP address is static.Our problem is that after configuring DAI, no ping responds (ping between PC and switch or between PCs).We have to put each port as "trust" and then change it to "untrust" before we can...

Hi, I have added VACL with deny ip any any log on 3750, but it does not show any hits counts. Below is the software version. Please advise. Cisco IOS Software, C3750 Software (C3750-IPBASE-M), Version 12.2(25)SEE1, RELEASE SOFTWARE (fc1)Copyright (c)...

Hi all,Its seems it is always recommended to not use the native VLANto send user trafficWe'd like to know if when using only one switch, all users are on one network, do we need to create other vlan than vlan 1 for users?and what about vlan for mana...

hellothere is a 6509 with SUP720 which needs to be upgrade and i'd have some questions.here is the output of show module:------------------ show module ------------------Mod Ports Card Type Model Serial No.--...

Hi all, can anyone tell me if stateful inspection still applies on vpn tunnels on my asa? and also when creating an access list for the site to site tunnel, how do I know which direction the access list is in?