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Connecting Cisco to ISA

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sogol

IS-IT--Management
May 7, 2007
20
IR
Hi all,

Can anyone tell me,is it possible for Cisco Router 2600 series to give an IP Valid to ISA which is directly connected to it??I know with NAT it is possible to give Internet to the Devices connected to Router.My network plan is like this:
ADSL Modem--->Router1--->LAN1--->Router2--->LAN2-->ISA

in fact I want to give ISA an Valid IP address via Router2 and Route it to ADSL modem,do you think it is possible??How should I connect Router2 to ISA??and is there any way to give any valid IP to ISA and route it outside so it does not need any Natting.
The two routers are connected to eachother via Serial interfaces and PPP Leased line,can I give an valid IP to the Serial Interface and give Internet from the Ethernet interface of Router1 which had an valid IP address???

any help and suggestion would be highly appreciated

 
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