Failover between 2620 (E1 service) and 1720 (ISDN service)
We have two connections to our ISP - Primary : 2620 with G.703 card to E1 service, and Secondary : 1720 with ISDN BRI (128 k). Both routers perform NAT (private IP inside / public IP outside), and our ISP provides BGP route failover for the block of public IP addresses assigned to our account (between E1 and ISDN services).
How can we setup failover to the ISDN service in event of the E1 service failing ? Do we have to move the ISDN service to a new BRI interface on the 2620, or can we still provide failover using BOTH routers ?
Re: Failover between 2620 (E1 service) and 1720 (ISDN service)
How does HSRP affect the routers if they are running NAT - both dynamic and static translations, and CBAC ?? I guess the NAT configuration must be the same on each router, but I am not sure about CBAC ??
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