Zyxel P-2602H_P-2602HW [246/465] Vpn nat и прослеживание nat

Zyxel P-2602H_P-2602HW [246/465] Vpn nat и прослеживание nat
  c P-2602H/HW EE
246  17  VPN
17.6 Keep Alive
   IPSec    
(Keep Alive), P-2602      
 IPSec SA (   SA .
. 17.12  . 256).
     IPSec  
.    ,   IPSec  
  ,  P-2602.
  P-2602     
   IPSec,     
 ,     P-2602  ,
 P-2602      .
        , P-2602
      .
17.7 VPN, NAT,  NAT
NAT   AH  ,   .
VPN-   IPSec,   AH,   
 ,      ,
   -.   VPN 
    - 
 ,     .
 , NAT    ESP  ,  
 NAT (NAT Traversal) P-2602   
.  NAT   IKE SA  
NAT-    IPSec.
. 122 NAT-  IPSec-
  IKE SA    NAT  
 IPSec ,   NAT 
  IPSec.   NAT   , 
  IPSec   UDP- 500. NAT-
  IPSec,     UDP- 500.   
.
122  . 246
,   IPSec   IKE SA,
 IPSec B    UDP- 500, 
IPSec A B  IKE SA.

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