Switching

Hi, I have a problem here. I am creating a L3 Etherchannel between DLS1 and DLS2 using interfaces g0/1 - 2 on both of them. I have tried a lot of configuration possibilities and it doesn't come up. After debugging I think the following is the error....

I need to permit traffic from a specific external IP on port 5060 and then send it to a specific private IP on my Lan. Need help on the access-list setup. This is for a SIP trunk. I have a cisco 2901 router. 

Hello Folks, I am facing one problem in CME 2951 10.0 version. when try to up load the firmware, it reply you need to delete the some entries from Flash first then you can add. I have 2 options to do this : 1)remove   these type of files crashinfo_...

I upgraded the IOS on 3750 to 12.2(44)SE and the bootloader also changed and when I upgraded to 12.2(50), the bootloader did not change.Is it necessary to upgrade the bootloader if yes, how do I upgrade it ?

Dears, Please find the attached topology. I have a strange problem for my isolated LAN PC which is connected on Internet Router which are source Nat by the internet router ( nat overload) when they browse internet.I have a ASA behind internet router ...

Hi All, Question - In regards to Multicast for like IP Security Cameras, would enabling Multicast help/lower for both bandwidth and viewing?  Basically the setup we have is some video stuff all on 1 (the same) VLAN but spread out on multiple L2 4507s...

Hello, Could someone just confirm some details about Cisco switch PoE configuration please? In particular on C2960X running 15.2 I have read the info on PoE at: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960x/software/15-0_2_EX/int...

I recently purchased a Cisco 1841 router to add to my home lab, in preparation for the CCNA. My problem is, I can't get out to the internet. After running the config's (will post below) I plug my laptop into fa0/1, on the router, and try to reach the...

your computer appears to be correctly configured, but the device or resource (DNS server) is not respondingI recently purchased a Cisco 1841 router to add to my home lab, in preparation for the CCNA. My problem is, I can't get out to the internet. Af...

Hi there, How can I get purchase dates for a bulk of Cisco Switches we have? Is there a website I can go to? Please find the list attached.

I had a 6509-E reboot but did not load the startup config.  The config reg is set correctly.  The startup config was present in a show start.  I could not copy the start over to the run.  Could someone give me a reason why this would happen