Switching

Hey all.  We had a complete outage the other day, a heavy equipment pience of machinary crushed our ISPs entire fiber, took out pretty much everything in the area, including a cell phone tower.I've been asked to setup a redundant backup link just in ...

I have been going through the document on ACL's on Cisco 6500 Catalyst Switches and have a few questions on the TCAM ACL processing. I've been referring the below mentioned document.https://supportforums.cisco.com/post!input.jspa?container=2003&conta...

Hi,On my Cisco router running NAT service I have some devices on a couple of vlans which are on the inside network.  They can communicate with each other fine and can access the Internet.I also have some client devices on a vlan designated as the out...

hi all,i tried doing "system mtu routing 9000" and it doesn't accepted by my layer 3/2 3750/2960 switches, only 1500.  So it's not possible to have jumbo frame in between subnet?  I tried doing ping -s 9000 xxxxx in between subnet, it doesn't work.  ...

I am trying to apply QoS on Etherchannel Subinterface on IOS-XE but serivce-policy on outbound direction was rejected.Do I miss something? any doc to follow to apply QoS on Etherchannel Subinterface on IOS-XE?Thanks,

Hi,I have a scenario where I may need to change the EIGRP AS number within my company. The network is pretty simple and eigrp is primarily used to support our branch network. What we are looking to do is share some branch infrastructure with a subsid...

                   Hello,C6513 come high when add or modify the role to ACL. is it bug. the attached is show proc cpu and logthe ios image is advancedipservices and Version 12.2(33)SXI3,Thanks

A brief description of our setup:  We use an MPLS circuit for our site's primary connection using a Cisco 1921 router.  A Cisco 3550 switch connects to that.  For the backup circuit we use a DSL modem which connects to a Cisco 831 router which connec...

I have 4 x Cisco 3750X-48-T-L switches (2 Stacks).These stacks are used in a iSCSI SAN:- IOS is 12.2(55)SE5 (ipbasek9)- only one VLAN- standalone iSCSI SAN- 5 x DELL Equallogic storage boxes per stack- Hyper-V hosts- VMware ESX hostsFrom time to time...

Preamble: I'm studying for CCNA, but I'm jumping ahead a little to get my home internet coming in through a Cisco router. I understand the basic ideas but obviously not enough...My current setupI have a /29 subnet through ADSL, with a noname modem/ro...

Hello everyone,I've noticed that 12.2.44-SE6 is listed as the latest available IOS for any Catalyst 3550 except 24 DC SMI (12.2.55-SE8 available for that one).  Does this mean that nothing after 12.2.44-SE6 won't work properly (or at all) on most C35...