Just use a rollover flat cable ( the blue or black flat cable that comes with cisco routers/switches). Use it to connect from aux of one router to console of other router. On the router (aux), configure reverse-telnet configurations so that you can telnet into second router through the aux port. Check this link out

Background Information In this configuration, two Cisco routers are connected back-to-back through the asynchronous AUX ports with the help of a null modem cable (rollover cable). The AUX ports of the two routers are directly connected with the help of a rollover cable with Point-to-Point Protocol (PPP) running on the link. Just use a rollover flat cable ( the blue or black flat cable that comes with cisco routers/switches). Use it to connect from aux of one router to console of other router. On the router (aux), configure reverse-telnet configurations so that you can telnet into second router through the aux port. Check this link out May 07, 2016 · Connect two routers via serial connection, (though other connections are discussed) including setting up an ip route to allow communication from the end devices.

Dec 11, 2019 · It seems that the Cisco Model DPC3941B is only allowing one router to connect to it. Is there a way to connect two routers with different IP addresses to the same Cisco Model DPC3941B on Comcast and have some PCs go to the internet through one router and all others go through the secondary router to the internet - essentially creating two

Jan 26, 2013 · If you wish to extend the range of your Wifi network, you can purchase an additional wireless router and connect it to your existing router with an Ethernet cable.. The setup is pretty easy, inexpensive and the best part is that your two routers need not have to be from the same manufacturer so, for example, you can easily connect your Linksys (Cisco) router to a router from say Netgear or Belkin.

You also have 2 links (ports 23 and 24) port 23 connectes to router-1 and port 24 connects to router-2. You also add port 23 to vlan 100 and port 24 to vlan 200. Now on each interface on the router connected to each port configure one subnet.