Hi,
My understanding is that an ISP provides you with a primary IP and an
additional block if requested subnetted differently to the primary block, but
makes the necessary adjusts on their equipement to forward all traffic for the
block to your primary IP. This also you to NAT at the edge router, or use two
of the public IPs for the router' internal interface and the firewall's
external interface and NAT at the firewall, but this wastes any IP. Is this
correct, have I missed anything, and what are the benefits if any of NATting at
the Firewall. Thanks
Christopher McGill
CCSA, CCNA, MCP
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