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NAT Order of Operation

2019-11-04 20:38:47
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  Inside-to-Outside
  
  
  If ipSec then check input access list
  decryption - for CET (Cisco Encryption Technology) or IPSec
  check input access list
  check input rate limits
  input accounting
  inspect
  policy routing
  routing
  redirect to web cache
  NAT inside to outside (local to global translation)
  crypto (check map and mark for encryption)
  check output access list
  inspect
  tcp intercept
  encryption
  
  Outside-to-Inside
  
  
  If IPSec then check input access list
  decryption - for CET or IPSec
  check input access list
  check input rate limits
  input accounting
  inspect
  NAT outside to inside (global to local translation)
  policy routing
  routing
  redirect to web cache
  crypto (check map and mark for encryption)
  check output access list
  inspect
  tcp intercept
  encryption
  
  FW:nat 的TCP负载均衡
  配nat tcp loadbanlancing 是否一定要配虚拟机呢?
  FW:一般来说,需要定义的
  用访问列表定义好你的虚拟IP,然后通过NAT定义真实的IP池

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