Other Network Architecture Subjects

I am running a switch stack consisting of 2 3750X-48PF-L's and 3 3750X-48P-L's. They are being used to provide POE to Cisco 7942G IP Phones.  I am seeing "power deny" messages when I do the "show inline power" command, and the switch says it only has...

Welcome! Please use this space to ask your questions and get answers from Cisco experts on Unified Access and the "Get Your Network Ready for BYOD" webcast. To attend this event on January 29 8:30am PDT (and/or view playback later) please register at...

I have a number of EOL and out-of-support Cisco products that are still in operation.  I'd like to install the last stable firmware that was released for them.  How do I do this?  Is there a way to buy access to all Cisco firmware without a support c...

Dear Friends,I am facing some issue related with cisco L3 device. before day there was some major power issue due to issue we lost some network devices. some of the has recovered and some device has been declared faulty. but cisco 3750 switch showing...

Does anyone know what type of switches can I use to connect my Cisco Aironet Power Injector Media Converter (AIR-PWRINJ-FIB) which is 100Base-FX (MT-RJ)? I know that Cisco Catalyst 3750-24FS is one of them. Can I use other types of cisco switches wit...

Does Cisco papulate licence with CCO profiles when we buy device from Cisco ?

Nexus7009 switches have Sup2 and F2 series 10G 48-port Ethernet modules, running NX-OS 6.1.2. When I tried to apply flow monitor to the interfaces from the F2 series modules, "ip flow monitor" command was not even available under interface config mod...

Hi All,I would like to know the best possible design to connect redundant Firewalls(Netscreen,FortiGate etc) to redundant switches.I have dealt with Cisco FWSM's in which both the Firewall and switch is in the same chassis. So for the Vlan's behind t...

Hello all.I know that there are snippets here and there with SDM issues. I am but the latest person that is struggling with this problem. I've had wonderful luck with previous posts here, so I thought I'd give it a shot. So, I'm looking at taking my ...

I am getting a number of these error messages and I am trying to track down why I get this message. looked at the PDlog and this is what it shows: sh snasw pdlog last 4 detailProblem Determination Log Output**** 00002279 - EXCEPTION 512:672 (1) ****R...

hii..im lookig to to start a career in networking and im interested in it..but some are saying that there will be no career growth in networking and the salaries are also very less compared to programing so this is worrying me alot ..although this is...

Hello,I have recently had to rebuild the cookie information for a cisco 877 series router due to it being erased by an electrical surge. I've successfully got it running again by copying the cookies from an identical router (obviously changing the se...

We have some cisco 2811 and 2801 routers that were purchased about three years ago.Now we buy some VIC3-2FXS/DID but the problem is that this card just work with IOS c2800nm-spservicesk9-mz.124-20.T.bin and our routers came with c2800nm-spservicesk9-...

HiOn a CISCO 6509 switch we accidentally added a Gig port to a port channel with two ten gig ports and now the mode is showing as aggregator down (SN). Initially the performance was slow even after the gig port was removed. We shut down one of the te...