2 dhcp server 1 dsl router
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Rukiee
5 pts.
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Q:
2 dhcp server 1 dsl router
Network Configuration, DHCP, DSL, Network Topology
Hello, how can I setup 2 dhcp server with switch each and 1 dsl router and both can get internet connections
ASKED: Aug 30 2009  5:18 AM GMT
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BlankReg
11280 pts.
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You configure what is known as Network Address Translation (NAT) on the router. This then translates the IP address of the server, which is likely to be a 10.x.x.x or 192.168.x.x address, to be the IP address it gets from your service provider. It keeps track of which server, and where it is going, so it can use the same 'real' IP address on the Internet for both of them.

Most DSL routers work like this straight from the box, but if you can provide the make and model number, then we ,may be able to help you further with getting this working.
Last Answered: Aug 30 2009  9:16 AM GMT by BlankReg   11280 pts.
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Troy Tate   0 pts.  |   Aug 31 2009  11:59AM GMT

Can you clarify what you are trying to do with 2 dhcp servers? Are these on different subnets? Are they on the same subnet? If they are on the same subnet, you should not need to do any router configuration changes. You should separate the DHCP client range into a low segment and a high segment so clients do not get assigned duplicate IP addresses. In other words, setup one DHCP server to assign 192.168.1.0-127 and the other to hand out 192.168.1.128-254 or some valid range for your network.

 

R vishaal   355 pts.  |   Aug 31 2009  3:15PM GMT

hello mate using 2 DHCP servers on the same subnet is not recommended ,
if you have one switch and one Dsl router only , what u can do is : Enable DHCP server option in your
router and connect all ur PCs on the switch , automatically all your pc will have internet connection
(e.g with Linksys routers and Dlink stuffs ) pretty easy option

Phone line goes in your dsl router > the dsl router goes directly to your switch ,
connect all the PCs on the same switch , thats it ….

 

Troy Tate   0 pts.  |   Aug 31 2009  3:40PM GMT

Lots of organizations have more than one DHCP server servicing a subnet. One may be local on a site and the other remote across a WAN link. Redundancy in DHCP is not necessarily a bad thing in case the local DHCP server fails.

 

JeffTheWizard   10 pts.  |   Sep 2 2009  7:28PM GMT

Just set up two routers behind your main router. Configure those ’slave’ routers to use dhcp to get their own address on the upstream. You can expand the number of ports for each slave router with dumb switches.

Each router will, by default, serve up it’s own dhcp addresses to all computers connected to their downstream ports. Those computers will be on separate networks and will not be able to communicate with each other (without a lot more work in configuration and setting up routing), yet they will easily communicate with the ‘net’. You should be aware, though, that computers connected to one of the routers will likely get the same IP addresses as those on the other router. This should not hurt anything unless you wanted to share stuff between computers on the different subnets.

 
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