Switching

Hi all, I have a quick query regarding splitting our subnet down. Basically we are a managed school and receive an IP range of 10.193.8.x/21 with a Cisco router located on site with an interface ip of 10.193.8.1 and can only get out to the internet...

I have a WS-C3750X-48T-L switch I'm trying to perform upgrade of IOS to version 15.2 (4) E2 and it does not update. It starts the boot by version and at the end displays the message boot failed.Yet another switch that I have the same model upgrade wa...

Dear All, I have Cisco 4506 switch (WS-C4506) with SUP IV (WS-X4515) and line cards 48 ports 10/100BaseTX (WS-X4148-RJ45V). When I try to transfer file between 2 PCs connected to 2 different line cards (Fa2/40 and Fa3/23), it does not exceed 11.4 to ...

I dont know the exact wording for the answer i am seeking or if this is the correct place it ask, so bare with me please. ---------- When we from over OS initiate a network session with a service like google.com, the OS generate a numeric value that ...

we have a customer who has deployed Enterasys C5 switch which shows error of maximum ARP limit increases 4096. we are trying to replace Enterasys model with Cisco. Is there any reference document for the maximum limit of ARP supported by 2960X and 29...

we have IPSEC setup between one of our Main office (A) and  another 3rd party office (C). i have redistributed 120.30.20.11 which is an destination ip from (C) into  BGP table in location (A) and advertised our MPLS. so now site (B) another Branch l...

Hi Guys, I've just seen an  odd way to inject a prefix to bgp via rip redistribution. It seems strange to me that  the prefix 2.3.76.11/32 not being a rip route still getting injected into BGP table. On top of that I don't understand why 2.3.76.11/3...

What is the best way to have layer3 connectivity ( layer3-MEC or SVI+MEC ) between  Cat6k-quad-sup-VSS core   and   Cat6k-quad-sup-VSS distribution? Does Cisco recommends any particular configuration?

Can a switch providing network with out connecting to the Core Switch ? Excuse my ignorance, but we have in our company LAN network and we use the core switch and everything .. However, my boss bring a small switch and he powered on the switch and c...

Cisco C6880-X running 151-2.SY3 We we installed OIR a C6880-X-16P10G hot-swappable card and CPU went to 100%, also appears routed SVI's dropped on card install and subsequent card cycle post upgrade. Furthermore, seems L3 routed interfaces stayed onl...

Hi, We are using a single 6800 series with VSS configuration for Instant Access. We got 2 supervisor on 6800. My question is how can we switchover from these supervisor. "supervisor switchover" command is not working, it says standby is not active. ...

I'm having an intermittent problem with a pair of 1000BASE-LH layer-3 fiber links from a 3750X stack to a VSS pair of 4500 core switches. The links are working fine and then spontaneously both fail at the exact same time. Failure mode is loss of link...