Switching

Behavior of running PVST+ & Rapid-PVST+ simultaneously?

Say you have a network w/ 10 switches.9 of them run Rapid PVST, and one runs the legacy PVST.Would the entire L2 network fall back to legacy PVST, or only the segment where the one switch that's not yet converted to Rapid?This Cisco doc says: "When a...

port channel shutdown or individual ports

Hello,We have a wireless controller connected to a core switch via two port bundled together to form a port channel 2.There is a plan to shut down the switch ports connected to controller for some testing.Is it advisable to shut the individual ports(...

catalyst 3750/2960: ARP entry after copy tftp command

Hy We have some problems downloading the configuration via tftp. The problem occurs after we move to the new WAN-router. We find out that the problem is in the ARP-cache of the Catalyst switches.Both switches C3750 and C2960 are configured as L2 Swit...

Does eFSU support to update the 12.2(33)SXI6 images from "vz " to "mz" ?

We want to update the IOS from s72033-adventerprise_wan-vz.122-33.SXI6.bin to s72033-adventerprise_wan-mz.122-33.SXI6.binDoes eFSU support ?

Can I upgrade the cisco Nexus 5548 from 5.2.1 to 7.x directly or not?

I want to upgrade the cisco nexus 5548 from 5.2.1 to 7.x image. Can I upgrade it directly to 7.x version or not?

CLI session limit 32 reached. Exiting. on nexus n5k

Hi Guys ,I'm having a problem with Nexus n5k , when i'm trying to telnet to the machine ,i get this error :"CLI session limit 32 reached. Exiting."I can connect to it by console ,but i don;t know how to clear all those sessions .Needs help Thanks ,Ro...

Resolved! VSS

With VSS running on my core can i have separate set of configuration on my VSS enabled 6500 Like different routing table on both sets of 6500

loss of adjacency between isr4451x and 4510r-e

I'm currently having an issue with loss of connectivy between the above mentioned router and switch. After a few hours the directly connected interfaces are unable to ping each other and as a side effect we lose our eigrp adjacency. Only a reload of ...

Redirect one IP to another IP

Good morning,Is there any way to "redirect" one IP to an IP in a seperate subnet? We have two subnets, connected through a tunnel between two Cisco ASA 5515-x. I would like to be able to have traffic that is sent to 10.0.0.10 on the one subnet, red...

H.264 Video Bandwidth calculation

Hi,I have a problem with calculating bandwidth requirements for a video stream over an IPv6 multicasting LAN. Anybody know the formula of bandwidth calculation? Pls, help me to solve this problem ASAP. many thanks.

cisco network assistant 5.8.9.1 support device support

I have a Cisco router 2621 and would like to know if the Cisco Network Assistant will work with it. Thank you.

Resolved! Connecting a File Server to a Gig port on trunked switch?

I think a fairly simple question. So the office configuration has a main Cisco 3550 switch with (2) Gigabit Ethernet ports. One of the ports is being used for the connection to the router and the other is a trunk port to the second switch in the offi...

Resolved! Increasing ping times

Hey guys,Have recently installed a new 2960X switch stack in our environment. It is directly connected to our 4500X core (in which all our ALS are connected to). Noticed some weird-ness when pinging the management IP on the 2960X from a computer.Here...

3750-X Crypto Crash

See attached crash info files for a crash observed on my 3750-X while issuing the command:crypto pki trustpool import url http://www.cisco.com/security/pki/trs/ios.p7b Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 15.2(1)E2, REL...