ciscofirewall#sho ip nat translations
Pro Inside global      Inside local       Outside local      Outside global
icmp 192.168.1.103:512 128.12.3.10:512    192.168.1.106:512  192.168.1.106:512
tcp 192.168.1.103:1039 128.12.3.10:1039   192.168.1.106:23   192.168.1.106:23
ciscofirewall#

ciscofirewall#sho ip nat stat
Total active translations: 2 (0 static, 2 dynamic; 2 extended)
Outside interfaces:
  Ethernet0
  Inside interfaces:
    Ethernet1
    Hits: 276  Misses: 2
    CEF Translated packets: 277, CEF Punted packets: 0
    Expired translations: 1
    Dynamic mappings:
    -- Inside Source
    [Id: 1] access-list 1 interface Ethernet0 refcount 2
    Queued Packets: 0

ciscofirewall# debug ip nat
(example ping and telnet from outisde host 128.12.3.10 to inside host
192.168.1.106, host 192.168.1.106 has no default or other route set up)
*Jan 12 06:12:06.594: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [26630]
*Jan 12 06:12:06.594: NAT*: s=192.168.1.106, d=192.168.1.103->128.12.3.10 [61611]
*Jan 12 06:12:07.566: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [26886]
*Jan 12 06:12:07.570: NAT*: s=192.168.1.106, d=192.168.1.103->128.12.3.10 [61612]
*Jan 12 06:12:08.582: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [27142]
*Jan 12 06:12:08.586: NAT*: s=192.168.1.106, d=192.168.1.103->128.12.3.10 [61613]
*Jan 12 06:12:09.594: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [27910]
*Jan 12 06:12:09.598: NAT*: s=192.168.1.106, d=192.168.1.103->128.12.3.10 [61614]
ciscofirewall#
ciscofirewall#
*Jan 12 06:12:26.346: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [28166]
*Jan 12 06:12:26.350: NAT*: s=192.168.1.106, d=192.168.1.103->128.12.3.10 [61617]
*Jan 12 06:12:26.358: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [28422]
*Jan 12 06:12:26.370: NAT*: s=192.168.1.106, d=192.168.1.103->128.12.3.10 [61618]
*Jan 12 06:12:26.386: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [28678]
*Jan 12 06:12:26.390: NAT*: s=192.168.1.106, d=192.168.1.103->128.12.3.10 [61623]
*Jan 12 06:12:26.398: NAT*: s=128.12.3.10->192.168.1.103, d=192.168.1.106 [28934]

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