I have a Cisco router 1721 and for some reason it doesn't save my configurations. The power went out the other day and all the configurations were lost and it booted up asking if I wanted to start the setup. I just tried a test and turned it off and ...
We have all these types of point-to-point1- Point-to-Point Access PPP.(Frouzan Book)2- Point-to-Point Protocol PPP.(Frouzan Book data communication and network)3- Point-to-Point Link. (William Stalling book data and computer communications)4- Point-t...
We are thinking about using our public addresses - a class C. New to this, but after some reading, I have some concerns. We will advertise /24 - which our ISP will forward. I read that many BGP peers filter out the /24's to reduce routing overhead...
HelloI have 2MB leased line configured in Cisco 1841 router having internet and VPN traffic. I am also having a ADSL line which I am goint to access through same ciaco 1841 router. How do I do a load balancing between leased line adsl line on 1841 ro...
Hish logMar 22 17:27:47.153: %OSPF-5-ADJCHG: Process 200, Nbr x.x.x.x on Serial1.1 from LOADING to FULL, Loading DoneMar 22 17:28:52.338: %OSPF-5-ADJCHG: Process 200, Nbr x.x.x.x on Serial1.1 from LOADING to FULL, Loading DoneMar 22 17:30:52.350: %OS...
I've upgraded IOS at least 2 dozen times, never with a problem. Today, during our maintenance window, we were to upgrade IOS on a 3640. Here is what I ran in to:gw#copy tftp flashAddress or name of remote host [ip.address]? Source filename [c3640-i...
Designing a 30 site fully meshed MPLS network with a ds3 at the central site and remote sites ranging from 384k to 1.544m, using a tier1 provider. We are converting the existing frame-relay network which is point-point pvcs. My question is do I nee...
Hi allI have a application, for Channelised E1 at the Central Location and Remote locations on 64Kbps Ethernet Modem will this solution work.Router with Ch E1=========MUX----(31 Remote locations)----64kbps G703----64Kbp Ethernet Modem---Switch—PC.Wor...
Can someone tell me where the cable lengths are measured from that the documentation refers to:110ft220ft . .660ftIs this the total lenth from Dsu to Dsu or from the Dsu to the telco smartjack?
Hi Everybody. I'm a CCNA4 student. I have to build very scalable and complicated network. I need to see some WAN topology examples, primary and backup wan technologies. So, I hope you can help me to finish my job. Thanks.
dear sirswe have Network Node Manager (NNM) application at head office .there was a remote site with cisco router 25xx was added to NNM map, but suddenly the serial interfaces were removed from NNM map graph .the ethernet interface of remote router i...
I am having a lot of input errors on my point to point T1, I suspect a clocking problem. I was told that the telco was not providing the clocking so I set one router source to internal and the other to line.This made things worse. I then set both to ...
Hello.I have 4 x 2Mb PVC links between router A (7206VXR) and router B (3660). I set load balancing on eigrp. On Router B, when i run show ip route (router a) i have 4 paths. But on Router A i have only 3 paths to router B.What is wrong ?Best Regar...
I have two locations connected with 512K Radio Links, On head office we have Cisco 2651XM and on branch side we have Cisco 1751, both are connected and working fine,We are already using internet via 512K Radio Bridge link with ISP in headoffice, now ...
