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adding a 3750 to a stack

When attempting to add a 3750 to an exsting stack of 4 switches, I had an issue where I removed the stack cable from the 4th switch connected to the new switch which is going to be the 5th switch. Once the new switch had the stack cables connected I ...

6tgreene by • Level 1
  • 793 Views
  • 3 replies
  • 0 Helpful votes

Changing priority value of existing stackmaster..Please help

Hi,Currently i have the following settings :Switch#  Role    Mac Address     Priority    Version     State ----------------------------------------------------------1       Member  d0d0.fd60.4580     1         1               Ready               *2  ...

IP SLA on 4948 Platform

Can somebody confirm that IP SLA functionality exists on a 4948 switch running 12.2(50)SG3 Enterprise?  The feature navigator shows it in there, and the release notes for the 4500 chassis says it is supported, but I am having trouble finding document...

Resolved! Cisco 3750 Syslog message

Hello, i am using a 3750 stack switch in which i get the following messages:Jun  6 08:45:33.405: %Error 9, Failed to open the file Password:Jun  6 08:45:33.531: %Error 9, Failed to open the file Username:Jun  6 08:45:33.649: %Error 9, Failed to open ...

Resolved! OSPF Areas Question

I have three areas - 0, 1, 2I know that all areas much touch area 0.  But can area 1 touch area 2 so that it's basically a triangle?see attached screenshot.It seems to be working in my virtual environment.

vincehgov by • Level 1
  • 1642 Views
  • 10 replies
  • 0 Helpful votes

Resolved! port-security and limited connectivity

Hi,I activated port-security on a switch, with the following commands:switchport port-security maximum 2switchport port-security violation restrictswitchport port-securityswitchport port-security mac-address stickyEverything is fine until I receive c...

clear arp

i have a c4507 connected to 3com 5500. in switch 3com i have connected a 3Com NBX v5000my question is why can not ping and access web from catalyst 4500 to NBX, but I execute command "clear arp"  in catalyst, can see ping and access web by a shor tim...

j.baez by • Level 1
  • 1046 Views
  • 3 replies
  • 0 Helpful votes

Catalyst 3560 port flapping

Hi,I have a site with a single 3560 LAN switch. It has a bare-bone configuration, only one VLAN, no storm control. It has been working for years without issues. Today for about three hours, several  switch ports flapped for about a second at a time. ...

changjoe by • Level 1
  • 2296 Views
  • 2 replies
  • 0 Helpful votes

Resolved! OT: VLAN Tagging question (Extreme)...

I am trying to understand tagging/untagging, relevant to my Cisco studies, but applying them to Extremes at work.  If I understand this.....Tagging a port is equivilant of making that port a trunk port, allowing that vlan on it.  Untagging is equival...

800 Series Router Purchasing Questions

I've been looking to purchase something from the 800 series for the office. The router has to have wireless capabilities, and the lowest price would be optimal. I think I found the best one: 861W. This happens to be the cheapest with wireless capabil...

Bob Smith by • Level 1
  • 707 Views
  • 2 replies
  • 0 Helpful votes

Catalyst 2960 and Energywise:

Hello,I have a Catalyst 2960 with a Cisco IP Phone 7911G.My entire setup consists of these 2 devices and a laptop to serial into the switch.I am attempting to setup and be able to send/receive energywise queries through the serial interface of the sw...

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