Routing

I have a Cisco 2901 router that I am doing DHCP with on multiple VLANs and a Windows 2012 server that I am running AD and DNS on but for some reason, the DNS is not staying updated. I have the IP of my server configured as the DNS server on all the w...

Hello friends, i'm facing a unusual problem...  in my network i have a rendevouz-point and many sources which they're at same time subscribers between them. One, just one, of my subscribers is not a source, only receiver. The problem is, the connecti...

I am a newbie and I am studying for my CCNA Routing and Switching. I realize there are a lot of dumb  questions from newbies but that's how we all learn. I have a 2900xl switch and a 851W router. I have both set up with addresses but cant seem to see...

Hi Guys, Mine is complicated but I will keep it lean to help you understand it quickly and hence help me easily. I have a WAN via provider MPLS VPN with BGP as the PE-CE protocol. In places where provider doesn't have T1 or fiber, I have utilized cel...

I have a config on a usb stick called ciscortr.cfg. In this config I have a eem applet that I want to run to configure the outside interface. But this applet will not run because the setup dialog "Would you like to enter the initial configuration dia...

Hello all, I am just learning the basics of ASA configuration. I have seen many people state that it is better to have the ASA sit behind a router instead of on the edge. In this scenario, would I configure NAT to access the internet on the ASA or...

Hello I have a problem with my router Cisco C881G-4G-GA-K9. From my ISP I given only AP name: static.vivacell.am and dial-in number: *99# I have made some initial configuration, but anyway I can't connect to ISP network. This is startup config: Curr...

Hey guys, I switched my home internet from Comcast $75 a month for 75Mbit to ATnt $80 for 1000Mbit. Its their new fiber connections they have been doing. Anyways I am running an ASA 5510 in my home and when I connect my laptop directly through the At...

Hi all, Is there any way to understand if fragmentation happening or not by traceroute command ?

Hi, Has anyone got much experience with Cisco ASR NIM-SSD drives? I am looking at whether if it's possible to just buy a NIM-SSD (http://www.cisco.com/c/en/us/td/docs/routers/asr1000/install/guide/1001-x/asr1hig/asr1_hw2.html#62379) carrier card and...

I am looking to find a way of automating the configuration of a couple hundred routers (4400's). I was thinking Prime Infrastructure might work with templates etc. I need to validate that by playing with it but has anyone used any other automation to...