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Old 12-10-2018, 12:25 PM   #1
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Possible to have different ISP on Single Router?

Hi,

I am going to have 2 ISP connections and was thinking if it is possible to have router with 2 WAN options.

I wanted to assign two separate subnets (192.168.1.x for ISP A and 192.168.2.x for ISP B), so if a computer have ip address 192.168.1.2 it access ISP A and if same computer have ip address 192.168.2.2 then it access ISP B.

Would appreciate any input.
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Old 12-10-2018, 12:32 PM   #2
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Singtel gives an ONR that won't do bridge mode so you will be stuck with that router. If you have 2 ISP with 2 ONT, you can get a router that is capable of utilising dual wan. Pfsense, mikrotik & ubiquiti come to mind.
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Old 12-10-2018, 12:58 PM   #3
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Get a Peplink if you want with GUI settings for multi-wan with load balancing algorithm.

Not cheap.
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Old 12-10-2018, 02:11 PM   #4
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Yes i will have 2 ONT and 2 Router.

I was trying to avoid hassle of laying two lines, if i plug cables from both routers to a single switch and then plug my computer cable to switch. Wouldn't my computer communicate to correct router base on ip configuration?

Lets say
router A have 192.168.1.x
router B have 192.168.2.x

If i plug my computer in same switch and change ip of computer to 192.168.1.20 then it talk to router A and if i change to 192.168.2.20 then it talk to router B ?
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Old 12-10-2018, 02:23 PM   #5
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Yes i will have 2 ONT and 2 Router.

I was trying to avoid hassle of laying two lines, if i plug cables from both routers to a single switch and then plug my computer cable to switch. Wouldn't my computer communicate to correct router base on ip configuration?

Lets say
router A have 192.168.1.x
router B have 192.168.2.x

If i plug my computer in same switch and change ip of computer to 192.168.1.20 then it talk to router A and if i change to 192.168.2.20 then it talk to router B ?
Much simpler to have just one router and have it do load balance/ failover . If you want use 2 routers, your pc and other network devices can only use one network at once. If you want to switch network, you have to manually switch the gateway IP to the other router gateway IP.

Last edited by dryteletubby; 12-10-2018 at 02:26 PM..
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Old 12-10-2018, 02:32 PM   #6
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Much simpler to have just one router and have it do load balance/ failover . If you want use 2 routers, your pc and other network devices can only use one network at once. If you want to switch network, you have to manually switch the gateway IP to the other router gateway IP.
Thank you, will try to get load balance eventually but at least i can access both connection using a single point base on different IP.
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Old 12-10-2018, 02:42 PM   #7
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Thank you, will try to get load balance eventually but at least i can access both connection using a single point base on different IP.
You need a layer 3 switch to do that. Normal switches only route based on Mac address while a later 3 switch can route base on IP.
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Old 12-10-2018, 03:46 PM   #8
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Yes i will have 2 ONT and 2 Router.

I was trying to avoid hassle of laying two lines, if i plug cables from both routers to a single switch and then plug my computer cable to switch. Wouldn't my computer communicate to correct router base on ip configuration?

Lets say
router A have 192.168.1.x
router B have 192.168.2.x

If i plug my computer in same switch and change ip of computer to 192.168.1.20 then it talk to router A and if i change to 192.168.2.20 then it talk to router B ?
Many router like AC88U can have two ISP.
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Old 12-10-2018, 03:56 PM   #9
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Many router like AC88U can have two ISP.
My as well get the brt ac828 if you want consumer router. That at least can do 2Gbps unlike the ac88u.
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Old 12-10-2018, 04:30 PM   #10
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This AC-828 loaded with AusWRT dual wan only can do either fail-over wan or weighted load balancing. It doesn't bond both WAN. Same for AC-88U.

I dont think it can hit 2Gpbs.

But at least its very easy to configure using the GUI.



My as well get the brt ac828 if you want consumer router. That at least can do 2Gbps unlike the ac88u.
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Old 12-10-2018, 04:38 PM   #11
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After reading your message again, cheapest option : Mikrotik but very hard to configure, its possible.

or as what teletubby has proposed, Layer 3 switch.

Hi,

I am going to have 2 ISP connections and was thinking if it is possible to have router with 2 WAN options.

I wanted to assign two separate subnets (192.168.1.x for ISP A and 192.168.2.x for ISP B), so if a computer have ip address 192.168.1.2 it access ISP A and if same computer have ip address 192.168.2.2 then it access ISP B.

Would appreciate any input.
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Old 13-10-2018, 12:30 PM   #12
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This AC-828 loaded with AusWRT dual wan only can do either fail-over wan or weighted load balancing. It doesn't bond both WAN. Same for AC-88U.

I dont think it can hit 2Gpbs.
It supports Link Aggregation.

I think need to do LAN teaming on PC too to get the 2Gbps thru put.

https://www.asus.com/Commercial-Networking/BRT-AC828/
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Old 13-10-2018, 04:35 PM   #13
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try pfsense. can configure dual or triple wan depends on your router box you buy.

After reading your message again, cheapest option : Mikrotik but very hard to configure, its possible.

or as what teletubby has proposed, Layer 3 switch.
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Old 24-10-2018, 12:36 PM   #14
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Will this be a good candidate for layer 3 switch?

https://mikrotik.com/product/CRS125-24G-1S-2HnD-IN

or should i just get cisco entry level
https://www.cisco.com/c/en/us/suppor...l#ReleaseNotes

Any recommendation, shops and pricing range?

Would appreciate any input.
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Last edited by commonjunk; 24-10-2018 at 03:31 PM..
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Old 24-10-2018, 04:22 PM   #15
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Will this be a good candidate for layer 3 switch?

https://mikrotik.com/product/CRS125-24G-1S-2HnD-IN

or should i just get cisco entry level
https://www.cisco.com/c/en/us/suppor...l#ReleaseNotes

Any recommendation, shops and pricing range?

Would appreciate any input.
Not all layer 3 switches can route full speed at layer 3. Try to find layer 3 routing benchmarks for the switch you want to buy. Many manage switches advertise layer 3 routing but not at full gigabit speed.

I think cisco switch requires an subscription to function.

Ps Its much easier to use a router that is capable of dual wan instead of fussing about layer 3 routing.
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