Carrier-grade NAT (CGNAT) parameters 221 Log IP address and port allocation External and internal pool parameters External pool name txt External pool name #include Name of pool can only contain alpha-numeric letters, hyphen and underscores Port range range Numbered port range (e.g., 1001-1005) 1024-65535 Per user limits for the pool Ports per user u32:1-65535 Numeric IP port 2000 Range of IP addresses ipv4net IPv4 prefix ipv4range IPv4 address range Sequence u32:1-999999 Sequence number Sequence number must be between 1 and 999999 Internal pool name txt Internal pool name #include Name of pool can only contain alpha-numeric letters, hyphen and underscores Range of IP addresses ipv4net IPv4 prefix ipv4range IPv4 address range Rule u32:1-999999 Number for this CGNAT rule Rule number must be between 1 and 999999 Source parameters Source internal pool nat cgnat pool internal txt Source internal pool name #include Name of pool can only contain alpha-numeric letters, hyphen and underscores Translation parameters Translation external pool nat cgnat pool external txt Translation external pool name #include Name of pool can only contain alpha-numeric letters, hyphen and underscores