Switching

Hi everybody,Since last Thursday, one of the Nexus 7000 connected to the land started throwing the error:%MODULE-4-MOD_WARNING: Module 4 (serial: JAF1402ADBA) reported warning due to EOBC heartbeat failure in device 10 (device error 0xc000504f)But I ...

Hi,I configured two catalyst 6509 switches into a VSS cluster. After 5 weeks the secondary chassis reloaded itself with no apparent reason, I have tried to search some information to explain this but I could not find anything.For some reason VSL inte...

What are SPs using more these days, Cisco or Juniper?I know for a while Juniper really made some inroads in the SP space and was beating Cisco. Has Cisco caught up?Thanks

I was always under the impression that CEF was a "hardware" switching technology.  Yet, I keep hearing and seeing through different commands "show ip cef" and "show mls .." that there is "hardware" cef switching and "software" cef switching.  Can som...

Hi,Quick question...I have a the console of a 6500 connected to a  cisco 3800 router acting as a terminal server.I know that normally on terminal servers we use something liketelnet 1.1.1.1 2045  (where 1.1.1.1 is a interface or loopback address and ...

Hi all,         i not able to reset and connect c500 , bcoz switch port no 1 not working . so how can we reset and connect switch .ThanksMAK

We are using Catalyst 3750-E with IOS version 12.2(53)SE2.I’m configuring vlan map with extended IP ACL . ip access-list extended Allowed-Trafficpermit tcp 10.4.254.0 0.0.1.255 10.4.253.0 0.0.0.255 eq telnetpermit tcp 10.4.253.0 0.0.0.255 eq telnet 1...

Hi,I could not figure out if there is a general convention (format) of  cisco cli command error messages, apart from the "Invalid input", "Ambiguous command" and other syntax error messages.Is there a way to find out if there exists a general notatio...

I have configured an ASR1002 to use SSH, but it keeps asking me for a username and password. I have tried a username and password as well as the enable, enable secret and passwords on VTY 0. with no joy.This box is new and therefore has no TACACS for...

Hi everybody,I encountered many crashes during only short time period. I'm using Cat 3550 and there was more than 5 crashes during only few weeks.Do a high CPU load for about 80 percent can be the cause? Loops?Energy is well managed as the sites are ...

Hello!Please, take a look at the attached scheme.Client has a VLAN link through the provider network.Connection points (to SW-1 and SW-4) are geographically distributed (about 400 km).All provider switches are L3, interfaces Gi0/1 and Gi0/2 on SW-1 a...