Switching

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I have 2 Catalyst 3560x switches each with 4 Gbic uplink modules.  What I would like to do is connect 3 of the modules on one switch to 3 modules on the other switch to create a 3 Gb channel.Please note that while I am pretty computer savvy, I know n...

hi guys, I have encounter one problem about C4507R. when 4507's cpu is high ,the hsrp cutover. then customer complain the internet is disconect. So I want to config copp on 4507. but I don't know how to do it. Because it is one production network. Wh...

Tom Yan by Level 1
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  • 1 replies
  • 0 Helpful votes

Dear Folkz,I've 2911 router and whenever i trying to take telent of this router , i'm not getting the telnet prompt at all but thru ssh i'm able to login this router.We've confgured the telent paameters as below.line vty 0 4 exec-timeout 5 0 privileg...

We have had a rash of problems with rogue DHCP servers of late so its time to bite the bullet and enable snooping. Problem is I cant get it to work.With it enabled the test phone cant get an IP from the production DHCP server but rather it will only ...

Hello Experts,I need your opinion on this scenario where one ESX host has two LAN cards connected to L2 Switch. In this, will the traffic use both links or one would be blocked due to STP and if yes then do I need to configure port channel on switch ...

ray_stone by Level 1
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  • 4 replies
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   Hi allI am trying to upgarde a dual stack core switches IOS and I am getting the following errorsDirectory of flash:/    2  -rwx       30852   Mar 6 2013 12:58:16 +00:00  ArchiveMar--6-12-58-16.404-15    3  -rwx       30916   Mar 6 2013 15:11:24 +...

Resolved! NATING

Hi,I am sharing the topology Picture and cofiguration file in attachment. Both PCs (PC0 and PC1) are unable to ping each other. Please check configuration of routers and solve the problem.

Dears , I have 2 6500 switches both with same image s72033-adventerprisek9_wan-mz.122-33.SXH7.bin but hardware is different cisco WS-C6509 (R7000) with WS-SUP720-3B and cisco WS-C6509-NEB-A (R7000) Is it possible for me to configure VSS on these boxe...

Haris P by Level 4
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Hello,We have configured a layer 2 vlan in 6500. traffic coming from gigaethernate interface and going out from 10G towards the servers.e.g. source interface g4/3, is a access port. destination interface is trunk(router on stick configuration. Te1/1W...

Hello EveryoneI have a switched network in my Data center    with 8-10 switches.I am observing packet drops when one server is trying to communicate with another servver on LAN. Both are in same subnet , so router /routing is out of picture.I have no...

Hi All,I am getting following error message in my 3550 Switch console.Pleae help to identify the problem.%SYS-2-MALLOCFAIL: Memory allocation of 259644 bytes failed from 0xF2D894, alignment 0Pool: Processor  Free: 322388  Cause: Memory fragmentationA...

Hi AllI want to administer my cisco router 1801 by checking the bandwidth assigned to a site?what users doing behind it?or what type of traffic passing behind it or incomming traffic or maliscous activities running?what others administration can be d...