Nat Aging-Time; Nat Blacklist - Huawei Quidway S8500 Series Command Manual

Command Manual – NAT&URPF&VPLS
Quidway S8500 Series Routing Switches
Example
# Configure address pool 1 with addresses from 202.110.10.10 to 202.110.10.15.
[Quidway] nat address-group 1 202.110.10.10 202.110.10.15

1.1.8 nat aging-time

Syntax
nat aging-time { alg time-value | np slow }
undo nat aging-time [ alg | np slow ]
View
System view
Parameter
alg time-value: Aging time of NAT entries requiring application level gateway (ALG)
processing in seconds, in the range 10 to 86,400. ALG processing is different from NP
hardware processing.
np: Sets aging time of NAT entries in NPs.
np slow: Sets the aging mode of NAT entries established by means of the NAPT
method in NPs to slow aging.
Description
Use the nat aging-time command to set the aging time for NAT entries.
Use the undo nat aging-time command to restore the default value of the aging time
for NAT entries.
The default aging mode of NAT entries is fast aging and cannot be changed.
By default, the aging time of NAT entries requiring application level gateway (ALG)
processing is 120 seconds, and the aging time of NAT entries requiring FTP processing
is 7,200 seconds, the aging time of H.323 and ILS is 600 seconds, the aging time of NP
FAST is 300 seconds, and the aging time of NP SLOW is 660 seconds.
Example
# Set the aging time of NAT entries requiring ALG processing to 245 seconds.
[Quidway] nat aging-time alg 245

1.1.9 nat blacklist

Syntax
nat blacklist start
Huawei Technologies Proprietary
1-7
Chapter 1 NAT Configuration Commands