Discuss Catalyst brand switches with peers and experts.
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Good morning,in our datacenter we are using two 3750G stack as L2 core switches; in the last year we're suffering a strange problem: we're seeing unicast traffic spread over all trunk ports (basically all the uplink to the satellite switches). In the...

psmidcnss by Beginner
  • 5 replies
  • 0 Helpful votes

Hi,We have cisco 4506 and this got reloaded automatically and showing reload in show version output but no one made switch reload.CORE-SW-2 uptime is 8 minutesSystem returned to ROM by reloadSystem restarted at 12:37:58 IST Wed Dec 14 2011 Attach...

Resolved! 6509 NAM AND Rspan

Hi All,I have the following scenario and some questions.The environment I have is a 6509E with a NAM (NAM-2-250S) module.Within the network we have 4 x 4506 Catalyst switches.What I would like to achieve is the ability to monitor traffic from the 450...

hi,  C6509HK#sh verCisco Internetwork Operating System Software IOS (tm) s72033_rp Software (s72033_rp-ADVENTERPRISEK9_WAN-M), Version 12.2(18)SXF8, RELEASE SOFTWARE (fc2)Technical Support: http://www.cisco.com/techsupportCopyright (c) 1986-2007 by c...

I was checking the routing table on my 3750 stack and noticed something that appears abnormal to me.  My route statements are:ip route route route 255.255....

jlmickens by Beginner
  • 5 replies
  • 0 Helpful votes

Dear expert,I have a case like this: for some reasons, i can't connect MyServer direct to Fiber Media Converter, so i connect it via Cisco 3560GMyServer------------gi0/1.CiscoC3560G.gi0/2----------Fiber_media_converter_100----------------------------...

Hi,We have a failover pair of loadbalancers (non-Cisco) which are connected to each other via Catalyst 6509Es with Sup720 supervisor cards. Failover is achieved by the newly active loadbalancer GARPing all its service IP addresses with the relevant M...

Alan Boyd by Beginner
  • 1 replies
  • 0 Helpful votes

Hi,I have two  3750s stacked and one 3750 standalone all in one data closet. The both have the same versions. I want to combine them to make one stack. Questions:How do I force the standalone to be the master? sw 1 priority XX(Higher then the existin...

When you are in a CatOS switch in transparent mode, is there a way to show what VLANs were created on that switch versus those it might be using by way of a trunk?  If someone created a vlan on this switch instead of the "core", how would I see that?

I have a multiplexer in Ground floor and a server in First floor.From the multiplexer 9 ethernet connections are terminating in Cisco 2960G 24 port swith and it is connected through fiber uplink to one Cisco 3560G 48 port switch in first floor, which...

gblenergy by Beginner
  • 1 replies
  • 0 Helpful votes