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Function Specification
97
3.6.8.
NAPT
[Operating interface]
WAN interface and LAN/wireless LAN interface
[Basic specification]
NAPT method of this product is Port-Restricted cone NAT.
[NAPT session management]
Up to 30,000 NAPT sessions are managed.
When the number of managed NAPT sessions exceeds the maximum value, the old NAPT session is deleted
according to the following condition, and a new NAPT session is managed.
High Priority TCP > UDP (Port numbers 500, 4500) > IP packets other than the above Low Priority
The following contents are managed as NAPT session information.
・
Internal IP Address (LAN interface IP address)
・
External IP Address (WAN interface IP address)
・
Remote IP Address (Destination IP address)
・
Protocol (Source and destination port numbers are included)
[NAPT session timer]
Initial values of the NAPT session timer are as follows.
TCP
: 3,600 seconds
UDP
: 300 seconds
ICMP
: 30 seconds
Others : 600 seconds
The TCP/UDP/ICMP NAPT session timer values can be changed at Web setting.
Refer to Section 5.8.3 for the setting.
[Port forwarding]
Port forwarding can be set up to 50 entries.
[ALG processing]
ALG processing supported by this product are as follows.
FTP, ICMP, and VPN pass-through (PPTP, IPsec)
[MSS adjustment]
The TCP MSS value is automatically adjusted to the optimum value such as when PPPoE is running on the WAN
interface of this product.
Содержание ZA-SA3500G
Страница 31: ... About the Product 31 2 3 4 Device Label Sample Product Type ZA SA3500G 1B ...
Страница 127: ... Setting Setting Confirmation 127 When IPoE is selected automatic acquisition When IPoE manual setting is selected ...
Страница 133: ... Setting Setting Confirmation 133 When selecting IPoE automatic acquisition When IPoE manual setting is selected ...
Страница 228: ...228 Setting Setting Confirmation ...
Страница 230: ...230 Setting Setting Confirmation ...
Страница 326: ...326 Device Information Confirmation URL Filter UF URL Keyword Filter KF ...