Local Address Pool Ranges

As shown in Figure 1, each local address pool is named and contains ranges of sequentially ordered IP addresses. These addresses are allocated when the AAA server makes a request for an IP address.

If a local address pool range is exhausted, the next range of addresses is used. If all pool ranges are exhausted, you can configure a new range to extend or supplement the existing range of addresses, or you can create a new pool. The newly created pool range is then used for future address allocation. If addresses allocated from the first pool range are released, then subsequent requests for addresses are taken from the first pool range.

Addresses are assigned sequentially from a range within a pool. If a range has no addresses available, the next range within that pool is used. If a pool has no addresses available, the next configured pool is used, unless a specific pool is indicated.

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