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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

HiI have a couple of 3130 switches in the back of a Dell blade M1000 chassis that has been stacked, so that I can provide lacp channel groups to the servers within the blade centre.The blade servers are SLES10, running Novell Cluster Services.The bon...

Hi All, is there any best practice to analyze LAN environement as well as tools. Our client complains about LAN getting slow down during the day. we need to analyze to see what cause the problem. If there is any best practices or tools available, I'l...

Greeting,Can anyone point me towards on side-by-side comparison of the 2960 and the 3560E and list the main differences in layman terms. Our vendor is recommending replacing all our edge switches (2960) with 3560E because of their better POE for our ...

Please help .I have 2841 router but unfortunately when turn on router ,prompt goes to romon mode.After changing confreg 0x2102 & rebooting the router ,router does not come to normal.Show flash' does not contain any output on the flash.Please help me ...

Hi,Im trying to get DHCP snooping working on a WS-C2960-48TC-S with IOS version 122-50.SE3 (LAN Lite). But for some reason it isnt working at all.I've globally enabled dhcp snooping using the "ip dhcp snooping" command. I've enabled dhcp snooping on ...

Hi,We have two 6500 with two 20-G uplink (using etherchannel to combine two 10-G interface) to two 3750E which are stacked together. Currently one of the 6500 is the root bridge. We are testing failure scenario when one of the 10-G interface in the...

benny by Level 1
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Resolved! EIGRP MD5

When our EIGRP routing was first setup the installers didn't secure it. We now have 25 routers, and it is way past time to secure it. I have read and understand how to enable and have done so on there networks with OSPF, but not once the network is...

jeff.cook by Level 1
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  • 10 replies
  • 0 Helpful votes

I wanted to gather a consensus of the recommended best-practice steps for upgrading (2) 6513s core chassis units running IOS with dual-720s in each. Need to upgrade to add additional support for WS-X6708-10G-3C (10Gb line cards) The card requires 12....

visio by Level 1
  • 1328 Views
  • 9 replies
  • 0 Helpful votes

Hello Everyone,on a layer 2 switch cluster of 3560s without a management VLAN IP address should I be able to ping devices connected to the switch? Devices can ping each other but I can't get a ping response with I try to ping anything from the switc...

angel-moon by Level 3
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  • 2 replies
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Posted by: dipakpvaghela - Network Specialist, Tata Consultancy Services Ltd. Jul 30, 2009, 7:38am PSTHi all, Please help me to enable natting. We are using Firewall in between DMZ and internet. No my firewall crash and will bypass it. Now i wants to...

Hi every body. I have few questionsLet say i configure the default route using ip route 0.0.0.0 0.0.0.0 199.199.199.1, on a router which is running a routing protocol. 1) will this route be advertised without the redistribution command if router is r...

sarahr202 by Level 5
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  • 5 replies
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Hi,In an environment where it is very difficult to get downtime for maintenance/software upgrades. Today on 6500 Sup2 performing an OS upgrade means a switch reset. Realise we would need to move to new platform/supervisor to get full benefits of ISSU...