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Configuring NAT Pools

To configure a NAT pool:

  1. Create a NAT pool, and specify a name for the pool.
    [edit services]user@host# edit nat pool bsg_rtp_nat_pool
  2. Configure an address range for the pool.
    [edit services nat pool bsg_rtp_nat_pool]user@host# set address-range low 10.10.20.100 high 10.10.30.100
  3. Configure a range of ports, or specify that ports are automatically assigned.
    [edit services nat pool bsg_rtp_nat_pool]user@host# set port automatic
  4. Specify that the NAT pool is used exclusively by the BGF.
    [edit services nat pool bsg_rtp_nat_pool]user@host# set pgcp
  5. Configure the number of ports allocated to voice and video flows on each gate. By default two ports are available. However, if you want to allocate two ports—one for video and one for voice—to both the Real-Time Transport Protocol (RTP) and the accompanying Real-Time Control Protocol (RTCP) flow, specify four ports.
    [edit services nat pool bsg_rtp_nat_pool]user@host# set pgcp ports-per-session 2

Published: 2010-04-22

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