CISCO NAT: Unterschied zwischen den Versionen
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Thomas (Diskussion | Beiträge) |
Thomas (Diskussion | Beiträge) |
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=Aktive NAT anzeigen=== | =Aktive NAT anzeigen=== | ||
| − | + | *show ip nat translations | |
Pro Inside global Inside local Outside local Outside global | Pro Inside global Inside local Outside local Outside global | ||
tcp 192.168.250.97:35798 172.22.2.2:35798 192.168.250.1:22 192.168.250.1:22 | tcp 192.168.250.97:35798 172.22.2.2:35798 192.168.250.1:22 192.168.250.1:22 | ||
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unkerich(config)#exit | unkerich(config)#exit | ||
unkerich# | unkerich# | ||
| + | |||
=Links= | =Links= | ||
*http://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/13772-12.html | *http://www.cisco.com/c/en/us/support/docs/ip/network-address-translation-nat/13772-12.html | ||
Version vom 22. Januar 2016, 12:32 Uhr
Variante A
NAT Inside und Outside Interfaces festlegen
- configure terminal
- (config)#interface ethernet 0/0
- (config-if)#ip nat outside
- (config-if)#exit
- (config)#interface ethernet 1/0
- (config-if)#ip nat inside
NAT Pool festlegen hier wird mit der aussenip überladen
- configure terminal
- (config)ip nat pool unkerich-pool 192.168.249.62 192.168.249.62 prefix-length 24
NAT Pool festlegen NAT ACL dem NAT Pool zuordnen
*configure terminal *(config)# ip nat inside source list 7 interface Ethernet0/0 overload
NAT ACL festlegen
- configure terminal
- (config)access-list 7 permit 172.22.2.0 0.0.0.255
- (config-if)#exit
Variante B
NAT Inside und Outside Interfaces festlegen
- configure terminal
- (config)#interface ethernet 0/0
- (config-if)#ip nat outside
- (config-if)#exit
- (config)#interface ethernet 1/0
- (config-if)#ip nat inside
NAT Pool festlegen hier wird mit der aussenip überladen
- configure terminal
- (config)ip nat pool unkerich-pool 192.168.249.62 192.168.249.62 prefix-length 24
NAT ACL dem NAT Pool zuordnen
- configure terminal
- (config)ip nat inside source list 7 pool unkerich-pool overload
NAT ACL festlegen
- configure terminal
- (config)access-list 7 permit 172.22.2.0 0.0.0.255
- (config-if)#exit
Aktive NAT anzeigen==
- show ip nat translations
Pro Inside global Inside local Outside local Outside global tcp 192.168.250.97:35798 172.22.2.2:35798 192.168.250.1:22 192.168.250.1:22 tcp 192.168.250.97:48960 172.22.2.2:48960 192.168.250.1:22 192.168.250.1:22 tcp 192.168.250.97:48961 172.22.2.2:48961 192.168.250.1:22 192.168.250.1:22 tcp 192.168.250.97:48962 172.22.2.2:48962 192.168.250.1:22 192.168.250.1:22 tcp 192.168.250.97:48963 172.22.2.2:48963 192.168.250.1:22 192.168.250.1:22 tcp 192.168.250.97:48964 172.22.2.2:48964 192.168.250.1:22 192.168.250.1:22
Aktive NAT löschen
unkerich#clear ip nat translations *
Inside NAT
unkerich#configure terminal unkerich(config)#ip nat inside source static tcp 172.22.2.2 22 192.168.250.97 22 extendable unkerich(config)#exit unkerich#