Switching

Hi all.  I have a problem that I have not seen before that I need some input on. I have a company that has about 50 cisco switches, on multiple floors.  They occasionally will call me and say that one floor in particular has goin down, meaning that i...

We're checking a 3750 switch for issues and we ran the command "show ip traffic".  Under the IP statistics, it shows alerts.  Does anyone know how to examine these alerts and see what they are?  See the output below:FOR_GA293_3750SFPstk_Gr1#show ip t...

I have a failed standby 720 sup card that need's to be replaced.  From what I have read, pop out the old and in with the new.  Anyone know of any caveats or documentation regarding this?

Have a question concerning concurrent ssh connections.I've setup ssh access into a Cat 6513.line vty 0 - 15 have the transport input/output set to telnet sshhowever, when i launch an ssh connection to an interface on the 6513, any subsequent connecti...

I have a 3750 which handles all of my central routing to various subnets through out my building.  Also, I have two internet connections.  My question is, can I use IP Next Hop to direct users out the second internet connection essentially overriding...

Hi Guys,I have been searching these forums for a while, but can't find the answers to 2 questions.  1.  How to allow inter-vlan comms? 2. Why certain machines can't access the internet?I have an sge2000 (firmware 3.0.0.17, boot version 1.0.0.05) swit...

I have a 3845 router with a 16 port switch module. The 16 port switch module has multiple vlans, and is running in transparent mode. The router has multiple sub-interfaces all running dot1q encap.When the sub-interface on the router receives a frame ...

Trying to enable Qos on 4507RE,when i typed command on interface(config-if)#auto qos voip cisco-phoneiam geeting following error The policy AutoQos-VoIP-Input-Cos-Policy cannot be attached to the interface Gi2/41 since it has 'set' actions. IP Routin...

Hi there,I had once de-attached the flash from Cisco 1841 by my mistake when it was being booted. Then, I booted it up again but it stopped reading hardware info, as follows:=============System Bootstrap, Version 12.3(8r)T9, RELEASE SOFTWARE (fc1)Tec...

Hi guys,We've got a strange problem we've been troubleshooting for weeks with Cisco 2960G switches, Cisco 2950 and also Cisco 2940, no matter what release of IOS we are using.  Our application runs under the QNX OS, 6.4.1, with Intel Pro 1000 adapter...

HiI learnt some time ago how to replace the current running config with a complete new config on my cat 6500 rather than merging them like what normally happens, Is this right, that they normally merge ?is it the config replace command ?

HiI would like to set up a simple smart call home on my cat 6500 to inform me of any hardware issues, or ports going down etc.Can anyone paste an example of there script on here that I can copy, with a description of what it does.Many thanksCarl

Hi we have Catalyst 4507R switch with 2 SUP V modules in slots 1 and 2 . These switches are placed in the Access layer . We have a 2 Cat 6509 switches at Core . Currently we have Cat 4507R Uplinks connected to core in this manner .4500       1/1 --->...