Switching

Hi,guys:A Catalyst 2955c-12 just make me mad.The client complaint that his network management software kept alarm about 4 2955c-12 in his lan. From any device I ping to those concerned devices' management IP address, there are 500 to 600 ms delay, th...

hi! I'm trying to block dhcp svr setup in our testing lab. If i'm not wrong, i can achieve this by configuring dhcp snooping. I have a few questions that i would like to verify1) do i need to configure dhcp snooping on the L2 sw and core switch as ...

Hi, On the Cisco 3845 Integrated Services Router, I have a Zoned-Based Firewall set up. For testing purposes, I would like to log some "permitted" packets as well as "denied" packets that the firewall is allowing through or prohiting from passing t...

Hi, Recently one of the Gig-ethernet module crashed (of my 6500 switch) but the traffic does not switchover to the secondary switch. The switch Gig-ethernet module has ports in different vlans. I'm using normal HSRP config for every vlan SVI. How can...

please let me know if any one have implemented load balancing of internet using internet connection in 2 site , say [ HQ and DR site ] using a default route to the ISP .

i have simple hub and spoke tpology the hub configured with to map statments of frame-relay point to both spoks with broadcast word spoks has one with broadcast word for the hub other one only map the other spok and point it to the local DLCI simple ...

I have a WS-X4418-GB 18 ports gigabit blade in a Catalyst 4507. The media type in all the ports is being reported as 1000 base SX even when there is no GBIC in the ports. Has anyone come across a similar situation before?Thanks,Mohamad

Hello,I would like to install a gigabit switch for max 12 users, wireless capable, security options, include 'guest' access via wired ports, can handle wired/wireless cameras. What model should I be looking at? the Cisco site isn't too easy to figu...

What version of IOS code must be running on WS-C3750G-48PS-E/WS-C3550-48-EMI in order to view the TOP TALKERS on ports? The SH TOP command in CATOS is very helpful and I am looking for a similar command but only in IOS. Most of the installed switche...

I'm desperately trying to get the gigabit ports on the supervisor II+ card on in one 4506 to talk to another identical switch using these as ISLs.They have 1000sx GBICS installed and fibre between them, each port is configured as a trunk and is enabl...

Anyone know what deferred collisions are on a port ? This is the only counter showing anything , no normal collisions show and no crc or fcs errors. Haven't found an explanation on cco on what exactly this is . Can this only be cause by speed/dup...

Hello,we have a problem with a asymetric load-balancing in a LACP link. We have a switch-down (2970) with a LACP link formed by ports 16, 17, 6 and 7. In the switch-up the same LACP link is formed by 16, 17, 18 and 19. The ports are wired:sw-down GE0...