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  • Users: cs79
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  1. cs79

    NAT on failover

    Hi All, Any idea on how to do a static port NAT on failover? E.g NAT 1.1.1.1 port 25 (IP on BRI interface) to 2.2.2.2 port 25 (one of the IP from primary interface IP range) ONLY when primary link fails and BRI comes up? Need to do this to allow smtp connections during line failover...
    • cs79
    • Thread
    • Replies: 2
    • Forum: Cisco
  2. cs79

    Network Design Problem

    Hi All, I will be implementing a network using a Cisco 1721 router using ADSL as it's main link and ISDN as a DDR solution for redudancy. The problem is that an email server needs to be located in the router's LAN segment. Worst yet, a microsoft ISA firewall will sit between the router and the...
    • cs79
    • Thread
    • Replies: 9
    • Forum: Cisco

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