Backup Internet Access Through Secondary Router?
Jan 30, 2013
I have two routers on my local network:
1. ADSL Wi-Fi router provided by my ISP. This is the primary router for my network which is connected to the internet. Router IP: 192.168.1.1 (DHCP enabled)
2. TP-Link wireless router which is connected to the primary router through its LAN port (not WAN) with its DHCP turned off. So I'm using this router ONLY to extend the network to another area. This is a 3G enabled router. Router IP: 192.168.1.2
There are two different wireless SSIDs but basically only ONE network (all the PCs connected through any of the two routers are on the same subnet and have same IP range i.e. 192.168.1.x). I want to use the 3G internet connection through the secondary router when the ADSL connection is down. Whenever the ADSL connection is down, I would just connect the 3G-USB to the secondary router, all the computers on the network should connect to the internet while skipping their route through the primary router WITHOUT CHANGING ANY SETTINGS. Is it possible? Do I need to modify the routing tables? Or is it possible by configuring the DHCP server to assign the primary DNS address as 192.168.1.1 and secondary DNS address as 192.168.1.2?
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Jan 30, 2013
1. ADSL Wi-Fi router provided by my ISP. This is the primary router for my network which is connected to the internet. Router IP: 192.168.1.1 (DHCP enabled) 2. TP-Link wireless router which is connected to the primary router through its LAN port (not WAN) with its DHCP turned off. So I'm using this router ONLY to extend the network to another area. This is a 3G enabled router. Router IP: 192.168.1.2There are two different wireless SSIDs but basically only ONE network (all the PCs connected through any of the two routers are on the samesubnet and have same IP range i.e. 192.168.1.x). I want to use the 3G internet connection through the secondary router when the ADSL connection is down. Whenever the ADSL connection is down, I would just connect the 3G-USB to the secondary router, all the computers on the network should connect to the internet while skipping their route through the primary router WITHOUT CHANGING ANY SETTINGS. Is it possible? Do I need to modify the routing tables? Or is it
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Oct 3, 2011
Is it possible to setup a Backup GRE Tunnel using a Seconadary IP Address on the WAN interface. The router is a Cisco 871.
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Oct 8, 2011
My question is very simple is there any way or feature that could allow us to have a backup VPN tunnel on at the secondary ISP at the asa 5520? Lets assume if the primary isp goes down is there any way for the VPN tunnel come online at the backup isp ? [code]
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Aug 13, 2012
Since the secondary router WRT300N uses the same default IP 192.168.1.1 as the primary installed router EA4500, any attempt to log onto the set up page results in diversion to the Cisco Connect Cloud for the primary router.
Is there a way to access the set up page for the secondary WRT300N, bypassing the main router intervention via the Cloud software?
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Aug 21, 2011
I have a set up for cable modem internet i would like to share with a laptop.Its a Motorola surfboard cable modem hooked up to my IBM P4 computer through a USB cable. The Ethernet port out of the modem is NOT operational.The IBM computer gets the internet fine in this configuration. I would like to use a SRX200 WiFi router to connect a laptop to my internet using ICS and leaving the IBM computer and router on when i do this.I opened properties on the USB connection and clicked share internet connection.This then set up my Ethernet port to 192.168.0.1.I now want to connect the SRX 200 to the Ethernet port. Its IP is 192.168.1.1.so, do i connect the computers Ethernet port to one the routers Ethernet ports instead of the wan port?Do i turn off the routers DHCP? Do i have to change the routers IP address to make this work? Will i have to assign fixed IP's to my client to make it work?
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Mar 8, 2012
I was just thinking about this the other day, iirc I read somewhere about hooking up a dial up modem to the aux port on a router so that if your service failed you could dial the router directly to get access and diagnose faults.
Does anyone still do this? or do you use other methods? Cause it seems a bit old hat to me and I figured if you are paying a line rental on a phone line why not get dsl as well?
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Sep 15, 2009
I have a DLG-4500 router as my primary router and want to connect a second router (DIR-655) to it as an extention of the LAN to the second floor of my home. I have found instructions on doing this with most other routers, but not DLINK. In fact when doing the initial configuration and trying to disable the WAN link on the second router by using a bogus IP address string (127.0.0.1) The router won't let me save the change? What are the steps for configuring a secondary router cascaded to the primary (both wireless) to extend network coverage.
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Apr 12, 2011
Main Site allows communication from Remote Site via VPN to Windows ServerMain Site also has a secondary subnet that communicates ONLY through internet but NOT to the Windows Server.Sonicwall 192.168.168.x is main siteRemote Site is 192.168.0.x connecting to Main Site to access shared folders on serverSecondary subnet at Main Site is 192.168.0.x using Windows XP PC's. They are accessing a linux server at 192.168.0.215 which Main Site has no access to.VPN remote ip's are 192.168.0.x - they can successfully access the Windows Server at 192.168.168.100 BUT NOT 192.168.0.215.GOAL: Want to connect Remote Site to Secondary subnetWilling to make router changes or whatever is necessary to get Remote Site to access Secondary Subnet with the only exception that the Secondary Subnet REMAINS.VPN DHCP is turned off but willing to turn it on.Willing to make the Linux Server 'discoverable' on the Windows Server. Don't know linux at all but another co-worker set it up and can make changes.
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Mar 13, 2012
My Linksys Wireless-N router/access point (WRT160NV2) is connected to the internet in my primary residence, delivering 35mbps. I purchased a commercial Engenius product (EAP9550) to amplify the wifi signal over to a secondary house (about 180 ft away, traveling through 3 walls). Configured as an access point, the EAP9550 received and showed signal, but there was zero connectivity. The tech support at Engenius has advised me to configure the EAP9550 as an access point. My linksys router continues to deliver wireless signal for its range, but is only showing (not giving) full connectivity to the secondary access point.
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Jun 5, 2012
I have an ASA 5510 running v8.4(3)9 and have setup a remote user VPN using the Cisco VPN client v5.0.07.0410 which is working appart from the fact that I cannot access resources on a secondary subnet.The setup is as follows:
-ASA inside interface on 192.168.10.240
-VPN clients on 192.168.254.x
I can access reources on the 192.168.10 subnet but not any other subnets internally, I need to specifically allow access to the 192.168.20 subnet,[code]
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Dec 18, 2011
We have an ASA 5520 in production with a brand new internet feed we've just finished installing. We connect to our corporate office via a VPLS. In our corporate office we have a Cisco 1841 (I think that was the year it's made! ) with an ADSL feed with a static IP address plugged in directly.
We have a user VPN that we integrate with our user directory on the router, which connects via the ADSL. The users get an IP addres at the tail end of the 172.31.14.0/24 range, which is the same as one of our corporate subnets (we just reserver a few address, we don't have many VPN users).
Both the ASA and the router connect to each other (via the VPLS) on the internal subnet 10.255.255.0/24.
-The ASA is 10.255.255.1
-The router is 10.255.255.100
Currently the default route for the corporate office goes out the Dialer interface for the ADSL, which means that's where our internet goes out there (all proxying aside, we'll leave that out of this one). ip route 0.0.0.0 0.0.0.0 Dialer1
We'd like to change that default route to go via the VPLS to the ASA, and then out to the internet using the new feed. All the ACLs and rules are in place at both ends for this to work. If I change the default route on the router to: ip route 0.0.0.0 0.0.0.0 10.255.255.1Then it works as expected.
The problem is that then the user VPN breaks. I had hoped I wouldn't have to do any configuration on this but it looks to be so. I'm guessing that the VPN packets are coming in via the ADSL and back out via the new internet. It would be simple if the remote client had a static IP address as I could put in a static route for each user, but it's always going to be dynamic.
What do I need to put in place to get this working? I thought maybe I could leave the default route via the ADSL and put in a next hop rule to go via the VPLS for the specific subnets that need the new internet, i.e. have a subnet specific default gateway, is this possible? (I gave it a go but it didn't seem to work, I think I didn't implement it properly though as it still went via the ADSL, maybe because there is a nat route-map as well?).
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May 19, 2013
we have ACS 4.1 appliance and will do upgrade to 4.2. We need backup user database and system settings.via Gui I am not sure what all we backed up - dmp file seems to be only encrypted user databse but it can be crypted back up file.
How is possible do complete backup of current machine (user database and system config)? Is it possible via Gui or has to be done CLI access?After upgrade will be on machine previous config and database or or will be appliance completelly re-imaged?
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Aug 4, 2011
I am a day trader using Microsoft 7.I need to combine cable (comcast) and a wireless connection (AT&T) as backup into one access point.
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Apr 25, 2011
I have been having problems when trying to host servers on games, etc.I have 2 routers. A modem router, which is a Thomson router. That is the main one. It has a wire connecting from it, to a D-Link router that is near my Computer, and my brother's one. Then that D-Link router has 2 wires from each port, to mine, and my brother's computer.So, I am trying to host games.I didn't connect to the Thomson one, which is also wireless. I am connected to the wired one (D-Link). When I try to host while connected to it, my brother, and other people can't find the server. My brother and me can find it on LAN, but not Internet.But when I disconnect from the Wired, and connect to the Thomson wireless one, and then when I host, I can find it on INTERNET. Even my brother can. He can connect to it perfectly.
I do not want to connect to the wireless, because then it will cause lag spikes every 5 minutes.So, when I disconnect from the wireless, and connect to the wire, I went into the CMD, and typed in ipconfig. I found out that the Default Gteway is the D-Link IP.When I connect to the wireless, and disconnect the wired, I went into CMD, and then the Default Gateway is the Thomson one, which is the main router.So what I want to do, is use the D-Link router, and that router will have the same IP as my thomson one, so that I can host perfectly with no lag spikes, and using a wired connection.
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Aug 1, 2011
I currently have my wired cable internet hooked into my wrt310n. I have that hooked into a linksys 10/100 ef3124 switch. From there, I have cat5 run to the back of my house, where the wireless signal is weakest. I've got an E2000 router and would like to hook that in at the back of the house. What settings do I need to make in order to set up a completely new wireless network in the back of the house?
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Jul 14, 2011
I was setting a static IPs for my PCs, and for the Preferred and Alternate DNS Server addresses I looked on my router's Device Information page. It had "Primary DNS Server: 121.98.0.1", but "Secondary DNS Server:" is reported as "0.0.0.0". Router is a DIR-655:
I looked on my ISP's website and they have "121.98.0.2" listed as the Secondary Name Server/DNS:
Why does the router not report that? Is there something wrong? Should I still set 121.98.0.2 as the Alternate DNS Server in Windows?
EDIT: BTW, my modem reports both primary and secondary DNS servers on it's info page.
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Feb 22, 2013
I have more than 5000 sq. ft home and have some dead places other end of the house. Now I am looking for Range Extender/Repeater to boost signal. My primary wireless router is Motorola Surfboard SBG6580 and Secondary Linksys E3000 (planning to update firmware to DD-WRT). So I wanted something such that I can roam between the two routers without switching SSID (use single SSID name for primary and secondary DD-WRT routers) and connect automatically to whichever the best signal (or) strength router. In work place we have same thing like that single wireless SSID name which automatically connect wireless SSID from one end to another end of the building.
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May 22, 2013
I have an MPLS network router(Router1) and an internet router(Internet1) at a site of mine(Site1). the MPLS router sends all unknown traffic out the internet router. Router1 is the default gateway for all hosts and directs the traffic.I also have another network at an alternate site (Site2) on the same mpls network also with an internet egress. It is composed of an MPLS router (router2) and an internet router (Internet2).I would like Router1 to send internet bound traffic out Internet2 if Internet1 is down. Basically the statement on Router1 for the unknown traffice is ip route 0.0.0.0 0.0.0.0 172.31.1.254I have never heard of IP SLA before but it seems to be the best method for this situation.
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Sep 7, 2012
We have a dsl connection on 897 dsl router at the customers HO.The telephone line is directly connected to router we configured dialer with username and password and it takes a static ip of 212.249.213.xxx.Now he has some branches that are connected through wireless links and he has arranged for a subnet of 8 public IP's in the range 72.70.245.xxx
Can we some how use these public ip's as secondary in the routers dialer interface and assign to the servers in the branches so that it can be accessed through web.
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Mar 10, 2013
I am trying to set up a redundant OSPF setup and I am seeing behavior I don't quite understand. At the main office I have two routers, a 3825 connected via full DS3 to the MPLS cloud, and a 3925 connected to the Internet for VPN backup.There are nine branches, but I am only going to talk about three. The three branches all connect together as well as having their own MPLS connections to the cloud. They are all 2821 routers with a 4.5 Mbps multilink interface into the cloud (three T1's). One of the branches has a backup IPSec/GRE Internet connection that I want any of them to be able to use in case of an MPLS problem (which there have been many lately, sometimes involving all of them going down at the same time). The connection into MPLS uses Inter-area OSPF with the provider. The Tunnel connection is also using IA OSPF (the main office is area 0 and this cluster of branches are all on area 100).
OSPF seems to be behaving oddly. At the main office, on the 3825 with the "backup" shut off, if I do "show ip route 10.51.0.0" it shows this output: [code]If the metric before was 24, why would it put in a route with a metric of 53 now? What's worse is that the branches all think they should connect over the MPLS and the main office sends everything over the VPN. It works, but I don't really want asymetric routing! I have included some configs as well... those which I consider relevant. I am including a diagram that has more on it than is relevant, but what I referenced is here (and yes, spanning-tree has been properly configured on the red fiber connections with the connection between FEC2960 and Hl2960 blocking, but try to ignore the LAN stuff because this is in a transitional phase right now anyway).
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Feb 25, 2013
Region : Argentina
Model : TL-WDR4300
Hardware Version : V1
Firmware Version :
ISP : fullrate.dk
My ISP has provided me a router: Zyxel P-2601HN which has an ideal WLAN transfer rate of 150 mbps. I live in a concrete 2 story house so signals are weak at best on the other floor - therefore, I Have bought the TL-WDR4300 as an extension for the latter floor. I have connected the routers from LAN to LAN and the Zyxel has 192.168.1.1 on LAN and the TL-WDR4300 had 192.168.0.1 as out set. I have changed this to 192.168.1.2 and all the setup (disabled DHCP + other) seems to work alright. BUT i can not log into the TL-WDR4300 !! Not with http://192.168.1.2 and not with [URL]. What I can do to get into the setup of TL-WDR4300. I know I can alays backup the setting and reset the router and load the setting again, make alterations, saving .....but it kind of drastic !Can the two radios SSID names (2,4 MHz and 5 MHz) be the same name as the SSID name on the Zyxel P-2601HN ? What are the implications ?
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May 11, 2012
I set up a linksys e2500 router with name "mynetwork" and WPA2 password.
The network works fine, my laptop connects securely to it.
But when I View Available Wireless Networks , I see a second , unsecure network named "mynetwork-guest" to which my laptop will also connect with no credentials (not sure how that network got there).
How can I find and delete that unsecure network? When I go into my router setup, I only see mynetwork, not mynetwork-guest If it is of any use here is the IP information for both:
The settingd for mynetwork:
IP Address: 192.168.1.133
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.1
The setting for mynetwork-guest:
IP Address: 192.168.33.137
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.33.1
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Apr 8, 2012
Just recently purchased an RVS4000 to take the place of an old NetGear FVS336, which supported multiple NAT translations. It appears that the RVS4000 does not support this, any other models in the small business line support this? I only need this for a backup Internet connection?
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Dec 14, 2012
i have two internet links each of which from different ISP and different real ip addresses.Want to make the second backup internet work for Internal and external (AnyConnect) users.
my question: is that applicable to register single A record with different real ip addresses? and also is the AnyConnect method the best solution for them?
note: i have single firewall 5520 behind the cable modems.
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Jun 12, 2012
My requirment is to drop the Internet traffic once the Cisco HWIC 3G backup link will become active(attached) .Because I should allow only Business Critical Data allow through that and others should drop. Here are the config I used. In here I used a standard access list to generate intersting traffic which allow all the traffic traverse through the backup link.Can I drop the packets to the proxy (192.168.1.100) using this access list and allow other traffic.access-list 1 deny 192.168.1.100access-list 1 permit anydialer-list 1 protocol ip list 1.Is this the proper way I should follow ? Is there any other good method to achieve my requirement ? [code]
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Feb 15, 2012
I have a ASA 5510. I setup basic configuration to test internet with 2 ISPs. My first line works with out any problem. But my second line doesn't work. Even when i wipe the configuration, and setup only my second isp. Internet doesn't work. Can you tell me if there is anything wrong with this config?
CaaaA01# sh run
: Saved
:
ASA Version 8.3(1)
!
hostname CaaaA01
domain-name example.com
[code].....
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Feb 12, 2013
I have 4 public IPs on Router 3845 interface FastEthernet 0/0/1. IP as below.
50.200.2.2
50.200.2.3 secondary
50.200.2.4 secondary
50.200.2.5 secondary
I wan to allow ports 80 to 90 on 50.200.2.3 for my webserver (192.168.10.50)
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Jul 24, 2012
how to configure a backup route to the internet. My client has 2 ISP and basically they want to use 1 ISP and in case the ISP fails, use the other one as backup route to the internet.
The problem I’m facing is that each ISP is plugged to a dedicated ASA 5510, so 1 ISP in one firewall and 1 in the other. Both ASA are plugged to an internal network in a dedicated VLAN with a L3 switch and that L3 switch manages the internal network.
My question is, how can I tell my switch to use ASA1 to go out to the internet and in case the ASA 1 OR THE LINK TO INTERNET used by ASA 1 fails, use ASA 2? It would be great if I can send traffic to the internet thru both connections at the same time. Also, I know the ASA has High Availability configuration, but that applies only if both licenses in the devices are the same and I have a mismatch with the SVPN license, and also I don't know if with my current topology I can use the High Availability model, so I think I can’t use that option and the solution must be applied in the L3 switch, but I don’t know how to tell it to use ASA1 and if failure of the device or the outside interface plugged to ISP 1, then use ASA2. Besides, I would like to know how to optimize this config to do the switch between internet connections seamless to the users if possible (there are VoIP calls on this floor, so I don't want to drop the calls).
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Jul 15, 2012
I have just updated a VLAN interface on my router. I have two 6500's with GLBP configured. The particular interface had a primary and secondary IP address. I shutdown the interface on one router and deleted the secondary address then assigned the orignal secondary address to be the be the only address associated with the interface and enabled the interface and it came right back up...all looks good. I proceeded to do the same thing to the other router and once again all looked good. Now, I am able to PING the devices in the subnet from router, but am unable to ping them from any place else. [code]
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May 31, 2012
I have 2 ISPs terminating on 2 FE ports on my 2811 router.ISP1 had always been here, used for the following:Internet access to LAN usersInternet access with public IP mapping to servers in different security zones (VLANS)Site to Site VPN tunnels to 3rd party partnersRemote VPN access to 3rd party partners We recently got a second ISP, mainly for the following:Internet access and public IP mapping to servers on seperate security zones (VLANS)Site to Site VPN tunnels to 3rd party partners as above, but different hosts So far, ISP1 and all the above service have worked based on the config below. However, having added ISP2, I have not been able to successfully create the site-to-site VPN tunnels.
version 12.4
!
ip source-route
!
ip cef
!
ip name-server 4.2.2.2
ip name-server 137.65.1.1
ip inspect WAAS enable
[code]....
Whenver I try to establish a tunnel on SDM_CMAP_2 and run a test using CCP, I get 2 failure reasons:
1. The peer must be routed through the crypto map interface. The following peer(s) are routed through non-crypto map interface - 4.58.130.130
2. The tunnel traffic destination must be routed through the crypto map interface. The following destinations are routed through non-crypto map interface - 4.58.130.134
The tunnels on SDM_CMAP_1 are all active Do I need to include a default route for the second ISP on the router? If so, how do I get this done? When I tried it, I had loops on the user LAN segment of the network.
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May 18, 2011
Abruptly internet access disappeared. It's a router issue, none of the computers here can connect. Further, I can't access the router through a browser - 192.168.0.1 results in a "Firefox cannot connect" message. I've tried resetting the DNS to no avail. I'm typing via cell phone and it's annoying, but I'm willing to try about anything.
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May 31, 2012
at the moment I have a 888 router that works fine, I want to configure backup (I already have configure ISDN backup but the performance it's to poor), and I want to use an other router 887 (that I already have) with adsl.
My idea is to configure the second router as stand alone gateway, and confiure in the first router a "ip route 0.0.0.0 0.0.0.0 VLAN1 192.168.0.253 100".But I know that this second route is used only in case the interface status of primary route goes down but not in case fault only protocol.
configure a better routing or faulting procedure?
-----------------------------------
888
VLAN1 192.168.0.254
ATM0.1 1.1.1.1
ip route 0.0.0.0 0.0.0.0 ATM0.1
ip route 0.0.0.0 0.0.0.0 VLAN1 192.168.0.253 100
-----------------------------------
887
VLAN1 192.168.0.253
ATM0.1 2.2.2.2
ip route 0.0.0.0 0.0.0.0 ATM0.1
-----------------------------------
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