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Cisco Routers - General
Written by RouterGeek   

If you did not find what you are looking for in our website, tell us what you need, we might be able to help you.

Put down a description of what you need as a comment in this page and we will try our best to help you. 

Comments
CCNA Material
Written by zaib on 2007-04-19 05:01:01
Hi to all , i really enjoy the topics that are given in this site, now i have to need more and more relating to CCNA topics like complete switching topis,configuration of ISDN etc, hope u all help me thanx .
Re:CCNA Material
Written by RouterGeek on 2007-04-19 05:16:55
zaib, 
RouterGeek.net is not aimed to be a reference for CCNA seekers. However, many topics covered in the site so far are related to CCNA. 
We are trying to concentrate currently on routers so switches are not a priority in the time being. 
We are working on an article about DDR and ISDN configuration and I hope it would help you.
Thanks
Written by zaib on 2007-04-21 02:17:07
hi, thanks for comments i just want to read more and more topics to increase my knowledge, i really enjoy ur site. 
Thank you for stopping by
Written by RouterGeek on 2007-04-21 02:18:56
zaib, 
Thank you for stopping by. I have published a couple of articles about ISDN configuration.
about interaface serial
Written by ursabid on 2007-04-29 10:09:56
is it necessary to enable password to configre interaface serial0 or else tel me how to configure s0. and also please tel me why is bri,port used
Written by RouterGeek on 2007-04-29 12:15:18
ursabid, 
Thank you for your participation. 
It is not neccessary to setup passwords in order to setup the interfaces. What kind of configuration do you need for the serial interface? 
The BRI interface is used to connect to the ISDN network, which is one of the WAN technologies used around the world.
mutiple VPN connections
Written by thomasp on 2007-05-01 11:14:48
I need to configure a Cisco 815 router to allow more than one user to connect to a VPN server. The have to connect to two different VPN's daily. One of them allows more than one to connect the other does not. I know the problem is with the 815 router, because I can replace it with a $79.00 netgear router and all users can connect to both VPN servers without a problem. Thanks for any tips you might can give.
Site-to-Site VPN
Written by RouterGeek on 2007-05-02 02:17:32
Thank you for stopping by Thomas. 
I have added an article about Site-to-Site VPN to the website today. It has a note about how to create multiple VPN connections to multiple sites. 
To be honest, I have not tried mutiple connections on 815 router, so you might want to try. 
And please let me know whether it works or not.
Thanks
Written by thomasp on 2007-05-03 12:20:40
I will read the Site-to-Site VPN and let you know what happens.
Configuration Updates
Written by panick on 2007-07-23 08:35:55
How about an article about how to do configuration updates simply. I've noticed a lot of roadblocks to doing this with Cisco (or maybe I just don't know the technical voodoo for it). Most of my updates end up merged with what is running and since I am trying to remove some of what is running (without totally bringing down the router) that isn't optimal.  
 
As for everything else on the site, it's been extremely helpful. Thank you.
Trying to load IOS with 3CDaemon
Written by jd1425 on 2007-07-25 08:46:46
I am trying to load a new IOS version from my laptop to a 6500 using 3CDaemon and have hit a wall. I can ping between router and laptop but when I do "copy ftp sup-bootdisk:" I get a file not found error on the directory string for the location of the new file. What am I missing? Should the file be in a specific place in the laptop?
DMVPN
Written by gurowar on 2007-09-21 13:59:30
I was trying to put together something called a DMVPN connection but I've never done one before has anyone done this kind of VPN connection if so where can I find info on it or how do I configure one? 
thank you in advance
Port forwarding NAT
Written by donchichi on 2007-12-13 12:09:58
Having port forwarding problem on a 3600 router. NAT works fine but when i match port 1863 to send to a specific internal address it fails to map it properly.  
 
using PPPOE with NAT 3600 .  
ip nat inside source tcp 192.168.1.1 1863 interface dialer 1 1863 
 
If you can help would be much appreciated.
A Suggestion
Written by RouterGeek on 2007-12-13 13:08:46
Hi DonChiChi, 
Try to add 'static' to it. 
ip nat inside source static tcp 192.168.1.1 1863 interface dialer 1 1863 
 
It works fine on 1720 some other smaller ones. I haven't tried it on 3600.
An Apology
Written by RouterGeek on 2007-12-13 13:14:11
Dear gurowar, jd1425, and panick, 
Sorry for being late to reply to your requests. I have been out of town for about 7 months. 
Now that I am back, I'll try to work on the website little more. 
Thank you all for your participations. 
 
Dr.Mohammed Alani
Akind Request & wishes
Written by sureshkumaar on 2007-12-14 22:47:52
hi , 
the topics which i found in the routergeek.net is superb and it ll be much helpful for me. i wish them all good luck for their services. And at the sme time i am placing a request that if u people could help us in CISCO switches too. Awaiting for that too.................................
Switches
Written by RouterGeek on 2007-12-15 13:28:39
Dear Suresh, 
Thank you for your participation. 
Basically, I am working on this site alone, with no kind of support from anyone. I am not that much of and expert in switches thgough. 
Since I started this website, I had switches in mind and planning to launch a part of the site for it, or perhaps a stand-alone site. But I have not had the time nor the support from a switches expert to get on with that. But I am still working on it.
Out of band support
Written by gurowar on 2008-01-18 15:08:41
I was trying to set up an out of band connection so if I cannot telnet in to my route I can enter via the Aux 0. How do I do that and assign a username and login?
Gurowar
Written by RouterGeek on 2008-01-19 12:04:10
Hi Guriwar, 
The way in which the Auxiliary port is set is very similar to the setup of the telnet vty. The following two commands are used to setup the password and enable the login through the Aux port: 
Router(config)#line aux 0 
Router(config-line)# password XXXXX 
Router(config-line)#login 
And you can set other parameters through the use of other commands in the line configuration mode like: 
speed, flowcontrol, and other commands. 
I will try to do a more elaborate procedure when I have the time for it. 
I hope this helps you for the time being.
VOIP
Written by MedoO on 2008-02-13 00:07:39
I don't know what to say ... realy it's most usefull website that i ever seen ...  
 
Since you asking i need get informatceion about VOIP configuration .. like that we have 2 router and voice card installed in booth, and what is the PVDM, FXS and FXO 
 
thanx
MedoO
Written by RouterGeek on 2008-02-14 13:48:52
Hi, 
Thank you for your encouraging words. 
I am currently working on a book to be released later this year "inshalla". And since I work alone on this site, I am afraid that I will not have time to attend to the members needs for a couple of months. 
I am sorry for the inconvenience, and I promise you that if I have the time, I will put your request on my to-do list. 
Sorry again.
How to obtain the Autonous System Number
Written by Descartes on 2008-02-28 20:37:56
Greetings, 
 
I'm Deacart Arreza a BS Computer Science student in the Philippines. I'm currently studying about Border Gateway Protocol and I'd like to ask if anyone knows how to obtain the Autonomous System Number of a router using Java. 
Thanks.
InterVLAN Assistance
Written by bkenny on 2008-07-21 08:44:08
Hi Guys, 
 
First, thanks for this site, its absolutley brilliant.  
 
I have a quiet a simple configuration task to complete. I have two devices, 1) Cisco 1812W router 2) Cisco 2960G switch. 
 
I have two networks, 192.168.1.0 and 10.1.1.0 - I need for the networks to be completely transparent. I.E. anyone one 192.168.1.0 can ping 10.1.1.0 etc. 
 
Everyone on 10.1.1.0 will use the default gateway of 10.1.1.1 which will in turn be an interface on my Cisco ASA. 
 
If you could write out the exact configuration for this procedure it would be superb.  
 
Many Thanks, 
Brian Kenny
serial info
Written by rajive on 2008-09-03 05:22:38
plz let me know the command line to check the downtime of serial link on cisco router.
URL Blocking
Written by hyperact on 2008-09-09 16:48:59
Is it possible for cisco router to block url 
 
because other router like dlink has setup to block url
nat configuration
Written by jwareham on 2008-10-03 05:00:11
Hi, I am looking into setting some thing up that i am not even sure is possible. I have 4 locations as follows. 
 
A - 172.10.10.x 
B - 172.10.11.x 
c - 172.10.12.x 
d - 172.10.13.x 
 
A is the main location. All locations have 2600 series routers. I have a device at each location that has an IP on the correspnding subnet, however, I want to access them on their own subnet, from a fifth router(router z). All devices currently have communication, and all of the following devices are set up with routing to router z. 
 
So in each location I have a device as follows: 
A - 172.10.10.99 
B - 172.10.11.99 
c - 172.10.12.99 
d - 172.10.13.99 
 
Router Z has subnet 172.10.25.x 
 
so device in subnet A I want to reach via IP 172.10.25.10 from another device on 172.10.25.x, but i still want to be able to access it as 172.10.10.99, from its own subnet. I am trying to do this set up on router Z, as all other communication should remain the same. I know it is NAT on router Z, but I can't seem to make it work. 
 
Any ideas?
how to configure router to send snmp to
Written by richdude on 2008-11-12 06:18:48
how to configure router to send snmp to
Written by richdude on 2008-11-12 06:21:53
I am new to setting up snmp, but I have this task to configure router to send snmp taffic from other network devicee.g switches,router on a network to our network via the internet to a nagios box(network Monitoring server) Any ideas ,thanks
Configuring Hub and spoke frame relay in
Written by madhukrishnan on 2008-12-26 12:31:13
Hi 
I find all the information on this site quite worthy.. I would like get help on the above said topic with an illustrative exmaple.. Help me please .... 
 
Thank you
Frame Relay Configuration
Written by lelozada315 on 2009-03-16 18:31:22
I am also configuring my lab with Frame Relay. My serial interfaces show Up Up but the subs do not. I made a special cable to connect my routers together via thier Serial Interfaces. Why are the sub interfaces showing down down?
Written by paulholden on 2009-03-22 18:59:14
I understand how to conffigure a router to provide access to an internet connection using NAT/PAT. But this only works for PCs directly connected to the router. 
 
How do I connect users in network mutliple routers away from the interface. For example PCuser (11.1.1.2/24)===>Router1(10.1.1.1/24)==.>Router 2(10.1.2.1/24)==>Router 3( 192.168.1.1/24) With NAT/PAT Configured)==>ISP Connection.  
 
Will the PAT/NAT at the ISP interface preserve the original IP Source Address and deliver traffic back to the originator in the netwrok 3 routers way??  
Written by paulholden on 2009-03-22 18:59:15
I understand how to conffigure a router to provide access to an internet connection using NAT/PAT. But this only works for PCs directly connected to the router. 
 
How do I connect users in network mutliple routers away from the interface. For example PCuser (11.1.1.2/24)===>Router1(10.1.1.1/24)==.>Router 2(10.1.2.1/24)==>Router 3( 192.168.1.1/24) With NAT/PAT Configured)==>ISP Connection.  
 
Will the PAT/NAT at the ISP interface preserve the original IP Source Address and deliver traffic back to the originator in the netwrok 3 routers way??  
logging level
Written by franpena on 2009-05-11 07:57:29
how to configure logging level and how to send these logs to a server log. 
thanks. 
Dynamin Routing on one router
Written by muhizi on 2009-09-08 04:45:53
I have one router (1800 series) 
I have two links from two ISPs. I would like to configure this router to use both links. th eobjective is: if one link is down, the other link should be activated without any manual intervention and the users should not lose any connection 
Is there any step-by-step document that I can use?
what mean of interface tunnel ?
Written by megat on 2009-10-07 01:12:15
why we use interface tunnel ??
2511
Written by wlogun on 2009-10-12 10:39:06
Need config sample for a 2511 as a terminal server...
Enable password in cisco routera
Written by rommy on 2009-12-21 01:15:01
Kindly do let me know.How to enable password in cisco router or such commands to enable password to access them remotely ?
Half Bridge Configuration
Written by das711 on 2009-12-21 23:50:31
Can some one help me to configure ppp half bridge (Remote router porting with E1)in cisco router for internet usage
How to assing internet bandwith to inter
Written by nardo on 2010-01-08 14:15:36
I would like to know how to do that in a 1800..... 
Thanks
virtual interface
Written by lanops on 2010-06-15 15:18:41
I am trying to connect a site to site VPN. I got that part working, but it is creating a loop. the site to site is using 2 pix firewalls. 1 pix is connected to a Cisco 4506 on the same subnet as the default gateway. The other pix is connect directly to the internet. I was told I need to change the network on the LAN side out the pix connecting to the 4506. How would I do this?

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