cisco asa 8.2与8.4的nat区别.docx

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cisco asa 8.2与8.4的nat区别

NAT(nat-control,8.2有这条命令,开了的话没有nat是不通的)8.2(PAT转换) global (outside) 10 00nat (inside) 10 ASA/pri/act(config)# show xlate 1 in use, 1 most usedPAT Global 00(1024) Local (11298)8.4object network nat subnet object network nat nat (inside,outside) dynamic 00ASA8-4# show xlate 1 in use, 2 most usedFlags: D - DNS, i - dynamic, r - portmap, s - static, I - identity, T - twiceTCP PAT from inside:/53851 to outside:00/5810 flags ri idle 0:00:04 timeout 0:00:308.2(动态的一对一转换)nat (inside) 10 global (outside) 10 10-20 netmask ASA/pri/act# show xlate detail 2 in use, 2 most usedFlags: D - DNS, d - dump, I - identity, i - dynamic, n - no random, r - portmap, s - staticNAT from inside: to outside:10 flags iNAT from inside: to outside:11 flags i8.4object network nat subnet object network outside-nat range 10 20object network nat nat (inside,outside) dynamic outside-natASA8-4# show xlate 1 in use, 2 most usedFlags: D - DNS, i - dynamic, r - portmap, s - static, I - identity, T - twiceNAT from inside: to outside:15 flags i idle 0:01:13 timeout 3:00:008.2(转换成接口地址) nat (inside) 10 global (outside) 10 interfaceASA/pri/act# show xlate detail 1 in use, 2 most usedFlags: D - DNS, d - dump, I - identity, i - dynamic, n - no random, r - portmap, s - staticTCP PAT from inside:/61971 to outside:0/1024 flags ri8.4object network nat subnet object network nat nat (inside,outside) dynamic interfaceASA8-4(config)# show xlate 1 in use, 2 most usedFlags: D - DNS, i - dynamic, r - portmap, s - static, I - identity, T - twiceTCP PAT from inside:/35322 to outside:0/52970 flags ri idle 0:00:03 timeout 0:00:30 8.2(不同的内部地址转换成不同的外部地址) nat (inside) 9 nat (inside) 10 //排列标准,先看明细,越明细的越在前面,明细相同看IP地址,IP址址小的在前面,在实际作用的时候也是按照这个面序来的。global (outside) 10 interfaceglobal (outside) 9 11ASA/pri/act# show xlate detail 2 in use, 2 most usedFlags: D - DNS, d - dump, I - identity, i - dynamic, n - no random, r - portmap, s - staticTCP PAT from inside:/51343 to outside:11/1026 flags riTCP PAT from inside:/13938 to ou

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