Linking together two routers

Is it possible to link together two modem/routers in the same network? I have a WRT54G in my home office in the front corner of my house. The wireless signal is weak on the other end of the house (TV room). I've tried a Range Expander but the kitchen appliances cause too much interference.
I would like to install another cable model in the TV room, but have them both use the same encryption key so you don't change networks as you move from one corner of the house to the other. Is this possible?

Yes, it is possible to link together two routers in the same network...See the link here and follow Cascading the Linksys Router to Another Linksys Router (LAN-LAN)...

Similar Messages

Wireless linking of two Routers

Hi, could somebody be so kind and point me in the right direction. We have two Linksys routers, WRT54G (Router1) and BEFW11S4 (Router2)
Router1 is connected to the DSL Modem and PC's connect to it wirelessly, all fine.
Now, we have a shed that's roughly 200 ft away and ideally would like to use the Router2 device to receive the signal from Router1 and then relay it wirelessly to the PCs in the shed.
I've heard about access points, antennas, range extenders, bridges, etc. but am confused. Would I need an addtl. Antenna and/or Access point to connect to the Internet/WAN TCP/IP cable port of Router2.
Thanks for any pointers !!!
TechMan

One way to do it is a wireless bridge. Which is what I have setup in my home. The WRT54G will have to be loaded with a third party firmware and setup as secondary to work though. HERE is a link to a wireless bridge setup.

Linking up two routers

I am having a big problem that Verizon just can't help me with. I am trying to link up the MI424WR which is a fios broadband modem and router with another wireless router WRT54G Linksys, but I can't get it to work. Can you please tell me how to set up this up in order to make it work. The MI424WR is in the basement and is hard wired, I can't pick up the wireless connection because the signal is weak, so I want to use another router upstairs to get wireless. How do I set up the routers?
Message Edited by dat329 on 08-22-2007 05:51 AM

I think this should be the way you make the connection:
Internet -> MI424WR (modem/router) -> WRT54G -> computers
You should configure WRT54G as access point only, then it should work.
Hope helps..

Wi-fi bridge between two routers TP-LINK WR841ND (WDS). HP 1536 dnf MFP connect to one of this routers (copper). My Ipad or Iphone can't find HP 1536 dnf MFP (using Eprint). Ipad and iphone connect to router across WiFi.

Hello.
I have wi-fi bridge between two routers TP-LINK WR841ND.
The name of this technology - WDS.
HP Laser JET 1536 dnf MFP connect to one of this routers (copper).
Second device (my NETBOOK) connect to second router (WiFi).
I have good communication between NETBOOK and HP Laser JET 1536 dnf MFP via WiFI-bridge.
In usual case NETBOOK can find (and can Ping) network printer and make a print some files.
But my Ipad or Iphone can't find HP Laser JET 1536 dnf MFP (using Eprint). Ipad and iphone connect
to router across WiFi.
Please, help!

Are you using the ePrint Mobile App, the ePrint Printer Control App, or just trying to send an email to the printer's ePrint email address?
Does AirPrint work?
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Can I use the screen/monitor from my G4-iMac-linking the two together?

Bought a new Mini and am just wondering if I can use the monitor of the iMac if I link the two computers together?
TIA
R

The only real option is a VNC solution like this:http://www.screenrecycler.com/home.html
cheers
mrtotes

Can I create a wireless link between two 871W routers?

Hi all,
The subject says it all. Can I link two 871W routers (ADVIPSERVICES IOS) wirelessly, in either a bridged or routed configuration?
I'm running 12.4(11)T1, and the only station-role they seem to support is root:
r1(config-if)#station-role ?
root Root access point
Any help most gratefully received!
many thanks,
alec

No. With 871W routers you cannot create a Bridge link. 871W routers support the following roles.
a) Root access point
b) Universal client mode
c) Support of Workgroup bridge clients
For information on the roles supported on the ISRs read, http://www.cisco.com/en/US/products/ps5853/products_configuration_guide_chapter09186a008067e8e9.html#wp1101651

Need to "link" two routers

Hi guys, I need advices here.
I just bought a new TV and a new DVD that can access the Internet for interactive stuff. But for that, I need a specific wireless key from the manufacturers or a LAN connection. I don't want to buy the wireless key but I want to use the LAN connections (1 for the TV and 1 for the DVD). Unfortunaly, I don't want to pass a cable all over my house just to link those new devices to the Internet.
Since I have two wireless routers, I was wondering if I could "wirelessly" link my routers to save cable. All my "ordinary" stuff will still be connected to my main router.
Here is what I plan to do:
Connect my modem to my main router (WRT610N v2).
Wirelessly link my secondary router (WRT54G v3) to my main router (WRT610N v2). [this is where I need help]
Connect both TV and DVD by wire to my secondary router.
I hope you can help me with this...
Thanks guys!
Solved!
Go to Solution.

Sorry, you can not connect two routers wirelessly with Linksys firmware. You must use a wire to cascade two routers. However there is 3rd party firmware that will allow this, DD-WRT. Search the web and see if it will work for you.

How to secure IPv6 P2P Link between two distinguished Routers using ospfv3

I have two Routers - one Catalyst 6500 Sup720 and one Nexus 7009 SUP2-E - connected
via ospfv3 P2P Link using /64 IPv6 Networkaddresses. What must be configured in order to secure this P2P Link against possible security attacks ! Any example configuration available ?
Greetings Manfred

Hi Manfred,
You should configure authentication on both of the P2P interfaces/ SVIs:
int te1/0/1
   desc 6500 uplink
   ipv6 ospf authentication ipsec spi 500 sha1 <40_bit_hash>
int te1/0/1
   desc 7009 uplink
   ipv6 ospf authentication ipsec spi 500 sha1 <40_bit_hash>
...ensure that either end of the link have same spi index value and obviously hash value too.
cheers,
Seb.

How to : connect two routers running under another

So this issue is tricky and i have had no luck in getting this to work. Basically what i need to do, is connect "Network 2" with "Network 1" and both run off of another larger network. The Base Network is out of my control and i cannot set or change any setting within that network's routers or DHCP Servers. Thus i am forced to set routes within my routers to communicate to each other. The need for this communication is software that runs on a server within "Network 1" needs to be available to all client computers running on both "Network 1" and 'Network 2". Obviously the computers running off the same router as the server are fine. Getting the computers running off the router for "Network 2" is the tricky part. Here is a link to a diagram of the setup : http://i64.photobucket.com/albums/h176/m4x70r/networkquery.jpg Some of the things i have tried are setting the DMZ on "Network 1" to point at the server. Setting routes in both to point at the other. Setting the Gateway in "Network 2" router to point at the WAN address of "Network 1" and setting the DNS of "Network 2" to the WAN of "Network 1". No matter what i do, the laptops inside "Network 2" cannot ping the laptops in "Network 1" or even ping the router for "Network 1". However, when pinging the name of the server, it does show the IP addy i gave it, so it sees it in some small fashion but cannot link to it. I'm stumped. Time to get a networking cert i suppose. Any help or suggestions would be much appreciated!

First you have missed to mentioned the most important thing for your setup: are those two routers running in gateway mode or router mode?
It is also quite confusing which routes you tried to set exactly. (in particular why you mentioned the DNS server?). Please simply post the exact settings of the routes you have entered on either routers.
As you have mentioned that you have no control over the main network I guess your routers operate in gateway mode. In that case they do NAT - network address translation. NAT shares a single public IP address with multiple computers with private IP addresses inside the LAN. NAT makes computers in the LAN inaccessible from the outside unless you have configured an explicit port forwarding or DMZ host.
Moreover, with NAT you cannot access the computers inside the LAN on an inside IP address. This is impossible because the private IP addresses inside the LAN are not visible on the outside. You can only access any computer on the WAN IP address of the router. You cannot ping any computer inside the LAN behind the router with NAT. UDP or TCP access is limited to what you forward. The DMZ host is the "default" forward which gets all ports which are not forwarded otherwise.
If both routers are in gateway mode you don't have to define any routes on the routers as the destination subnet is not accessible. To make your server accessible you have to define port forwardings to your server on 192.168.1.2 or put it into the DMZ. You can then access the server the external IP address of the router, i.e. 10.7.2.101. The router forwards incoming traffic on that address to your server at 192.168.1.2.

Dot1q between two routers connected via 2950

Hi,
I have two 7200's connected to a 2950 (FE 22 + FE 24 - Both configured as trunks).
On the 7200's, I have the following:
7200-A
interface FastEthernet0/0.23
encapsulation dot1Q 23
ip address 192.168.1.1 255.255.255.252
no snmp trap link-status
7200-B
interface FastEthernet0/0.23
encapsulation dot1Q 23
ip address 192.168.1.2 255.255.255.252
no snmp trap link-status
2950:
interface FastEthernet0/22
switchport mode trunk
no ip address
duplex full
speed 100
interface FastEthernet0/24
switchport mode trunk
no ip address
duplex full
speed 100
But I cannot ping between the two routers?

7200-A has dot1q ints for servers connected to the 2950 (Access Ports)....these are all currently successfully trunked down FE24
I want to connect 7200-B to 7200-A, and have dot1q Ints on both routers(As /30's) that can communicate (They will be used on 7200-B as Internet gateways for VRF's (With IP Nat enabled)....I was hoping that by having 7200-B connected to 2950 FE22, and configuring that port as a trunk also, that the dot1q ints on both routers could talk.
vlan 23 does exist on 2950, and is being trunked on both FE 22 + FE 24
I dont have any spare FE ports on 7200-A, hence the reason for me connecting 7200-B to the 2950.

How do I extend my network with two routers?

Hey all,
I've been wondering for a while how I could solve the weak signals that I get in the lower level of my house from my standard Verizon FiOs router. I have an Airport Extreme still lying around after it was taken out and replaced by the Verizon guys when they installed FiOs and I thought I might be able to put it to use downstairs. Is there any way I could put my Verizon router (which is directly connected to the fiber optic modem) and my Airport Extreme together to work in an extended network so that I could have strong signals in both levels of my house? Is it even possible? Any helps on this issue would be greatly appreciated.

Dranakin wrote:
I'm a bit confused about the terms 'network throughput'. Is that referring to the speed of the network? Your internet speed is slowed down when connecting to a remote station?
Yes. At least with an 802.11b or g network, the effective network bandwidth is halved with each remote base station in a WDS configuration. In other words, if the maximum theoretical throughput of an 802.11g system is 54 Mbps, adding a remote base station will reduce it to 27 Mbps.
{quote:title=from Wikipedia:}{quote}
Two disadvantages to using WDS are:
• The maximum wireless effective throughput is halved after the first retransmission (hop) that is made. For example, in the case of two routers connected via WDS, and communication is made between a computer that is plugged into router A and a laptop that is connected wirelessly using router B's access point, the throughput is halved, because router B has to retransmit the information during the communication of the two sides. However, in the case of communications between a computer that is plugged into router A and a computer that is plugged into router B, the throughput is not halved since there is no need to retransmit the information.
• Dynamically assigned and rotated encryption keys are usually not supported in a WDS connection. ...
I didn't really believe it until I added a remote base station and checked my network speed with http://www.speakeasy.net/speedtest/, with and without WDS.
As I understand it, 802.11n networks are not be affected in the same manner due to its ability to handle multiple data streams simultaneously.
If you want to extend your network without sacrificing bandwidth, you can certainly connect the base station Ethernet ports. That is not WDS; Apple calls it "extending a network". That's also how they do it in Apple's retail stores (at least when they used b/g AEBSs).
Message was edited by: John Galt

Conect two routers over console port

Hi Guys ,
How conect two routers or firewall over console port for manager ?
Thanks
Jorge

Hi Jorge,
I do not believe that you can connect to devices over console ports.
I have in the past connected from an aux port on a router to a console port on a switch using one of the old RJ45-RJ45 rollover cables Cisco used to ship with DB9-RJ45 adapters before they starting shipping DB9-RJ45 console cables.
You should be able to use the configuration in the document at the link below as a starting point.
http://www.cisco.com/en/US/tech/tk801/tk36/technologies_configuration_example09186a008014f8e7.shtml
This document is for a terminal server with 16 async ports. The config below should be ok for an aux port.
ip host switch 2001 172.21.1.1
interface Loopback1
ip address 172.21.1.1 255.0.0.0
line aux 0
session-timeout 20
no exec
exec-timeout 0 0
Please rate if helpful.

Using two routers provided by verizon

I have two routers from verizon and me anad my room mate share fios services like we pay half and he pay half. His router is old b/g gives issues and he refuses to upgrade to the $100 advance one and he said I can order it if I pay for it all and have it in my room. How dose that work? The router how will I hook it up without interfering with his router?

shymedq87 wrote:
I have two routers from verizon and me anad my room mate share fios services like we pay half and he pay half. His router is old b/g gives issues and he refuses to upgrade to the $100 advance one and he said I can order it if I pay for it all and have it in my room. How dose that work? The router how will I hook it up without interfering with his router?
Your description is rather vague.
You don't mention how your 2 routers are connected at the moment and which router you intend to get rid of if you purchase the $100 advanced one, which I don't think is worth the money. I assume you only have the single Fios connection to which only one router can be connected. Maybe this link will give you some thought on how you want to do it.
http://www.dslreports.com/faq/15984

Ways to connect two routers

Hello,
We have two routers connected as shown in the diagram:
We would like to create a one-hop connection ("peering") between the two routers (over the link shown) for routing purposes (iBGP, OSPF, static routes).
What are the suggested way(s) to do it?
Method 1: We have tried creating two GRE tunnels (one for IPv4 and one for IPv6) and it works but we are having various issues (which we are still troubleshooting)
Method 2: We could create IPSec tunnels; I have not tried it.
Method 3: This is my main question here. Can we define a common VLAN on the two routers so that, by using trunk links in-between, the two interfaces (actually a new subinterface of each: R1,G0/0.x - R2,G0/1.x) can coexist "alone" on one VLAN?
Other suggested methods please?
Thanks in advance for your assistance.
Regards,
Nick

Thanks for the reply.
Here is the current setup:
{View image and zoom in to full scale for clearer reading!}
With this configuration, the tunnels seem to be working correctly, however we are still having a problem: When I switch traffic so that it uses the tunnels, netflow export from R1 to a netflow server (using nfdump/nfsen) which is located at a LAN connected to R2, is not recorded correctly; I see (on R1):
# sh ip flow export
Flow export v9 is enabled for main cache
Export source and destination details :
VRF ID : Default
Source(1) 195.251.xxx.yyy (Loopback0)
Destination(1) 195.251.xxx.xxx (9995)
Version 9 flow records
680074 flows exported in 8490 udp datagrams
0 flows failed due to lack of export packet
1579 export packets were sent up to process level
0 export packets were dropped due to no fib
0 export packets were dropped due to adjacency issues
0 export packets were dropped due to fragmentation failures
0 export packets were dropped due to encapsulation fixup failures
and I find that our traffic is not recorded correctly. (When we don't use these tunnels -but another route not shown in the diagram, which does not involve tunnels- then "export packets sent up to process level" are 0 and netflow export works correctly.)
Netflow monitoring is critical to our network, so we have to troubleshoot this, before we can use this configuration in production. (I am thinking of opening a new thread for this problem.)
Any and all suggestions will be welcome.
Nick

CSS11506 SQL and two routers

2 questions
Can I use a CSS11506 to duplicte writes to a pair of SQL databases. I need to ensure that when a webserver writes to one SQL server the switch duplicates this so that it is written to both SQL servers.
Can I use the CSS11506 to balance my website across two routers. The site will be connected to the Internet by two isp links.
Thanks for any help

The CSS 11500 series switches do load balancing among multiple web servers. Guess it should be possible to balance across routers too. But I have no experience with this. Would some one else like to comment on this?

Linking together two routers

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