RE: DDR with NAT [7:46177]

[Tangled Up in Blue]

Why don't you just make your default route's destination the interface in
which your ISDN is connected to? 0.0.0.0 0.0.0.0 s0

Also, since you have a PIX, I would recommend putting the LAN machines as
private addresses and natting. why waste your ip's since you don't have many
is always my opinion.

good luck. 


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DDR with NAT [7:46177]

[Anil Kumar]

Hi All,

Need clarfication on DDR with NAT.

I have got a Lease Line to Internet connected through Cisco
Router and PIX firewall. 

Internet Lease Line--Router-- PIX outside-- PIX Inside.

I have been provided a /30 subnet for WAN and /28 subnet
for LAN by the local ISP.
Now i need to provide a DDR for the lease line incase of
lease line outages.
I have configured the DDR, but each time i dial ISP i am
being assigned a dynmic IP address and local ISP does not
provide any staitc ip address. Due to this dynamic Ip
address allocation i am not able to route the local lan
traffic or to provide browsing faclity.

I thought of configuring a NAT with /28 obtained from ISP,
but is this a better solution?

Another problem which i noticed Cisco Allows only one
Overload command at a time either it should on the serial
interface or it should be on the dialer interface. 
Is there any way i can provide both the overloads at the
same time, like higher  metric routes.



Need your valuable inputs and sugesstion on this.

Thanks in Advance,

Regards.. Anil 

Thanks  Regards

V Anil Kumar


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