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Configuring a Remotely Controlled NAT Pool

To configure a remotely controlled NAT pool:

  1. Create a NAT pool, and specify a name for the pool.
    [edit services]user@host# edit nat pool bgf-pool
  2. Configure an address range for the pool.
    [edit services nat pool bgf-pool]user@host# set address-range low 10.10.20.100 high 10.10.30.100
  3. Configure a range of ports. If you configure the NAT pool as remotely controlled, you must set a specific port range rather than using an automatic assignment of ports.
    [edit services nat pool bgf-pool]user@host# set port range low 10000 high 50000
  4. Specify that the NAT pool is used exclusively by the BGF.
    [edit services nat pool bgf-pool]user@host# set pgcp
  5. Specify that the gateway controller controls the addresses and ports in a NAT pool. The gateway controller reserves the addresses and ports when it requests specific local NAT bindings for remote addresses. (By default, the BGF controls the addresses and ports in a pool.)
    [edit services nat pool bgf-pool]user@host# set pgcp remotely-controlled
  6. Configure the number of ports allocated to voice and video flows on the MultiServices PIC or MS-DPC. This value is useful when one port is allocated for Real-Time Transport Protocol (RTP), and the accompanying Real-Time Control Protocol (RTCP) flow uses the other port. By default, two ports are available. To support the extra ports required for combined voice and video flows, you can specify four ports.
    [edit services nat pool bgf-pool]user@host# set pgcp ports-per-session 4

Published: 2010-04-13

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