Netgear GS728TS(B) – ProSAFE 24-Port Gigabit Stackable Smart Switch with 4 SFP uplinks ソフトウェアガイド
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GS728TS, GS728TPS, GS752TS, and GS752TPS Gigabit Smart Switches
7.
Use the Rate Limit (pps) field to specify the rate limit value for DHCP Snooping purpose. If
the incoming rate of DHCP packets exceeds the value of this object for consecutively burst
interval seconds, the port will be shutdown. If this value is N/A, then burst interval has no
meaning, hence it is disabled. The default value is N/A. The range of Rate Limit is (0 to 300).
the incoming rate of DHCP packets exceeds the value of this object for consecutively burst
interval seconds, the port will be shutdown. If this value is N/A, then burst interval has no
meaning, hence it is disabled. The default value is N/A. The range of Rate Limit is (0 to 300).
8.
Use the Burst Interval (secs) field to specify the burst interval value for rate limiting
purpose on this interface. If the rate limit is N/A, then the burst interval has no meaning and
it is not applicable. The default value is N/A. The range of Burst Interval is (1 to 15).
purpose on this interface. If the rate limit is N/A, then the burst interval has no meaning and
it is not applicable. The default value is N/A. The range of Burst Interval is (1 to 15).
9.
Click Apply to apply the change to the system. Configuration changes take effect
immediately.
immediately.
10.
Click Cancel to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
Binding Configuration
The DHCP snooping application uses DHCP messages to build and maintain the binding’s
database. The binding’s database only includes data for clients on untrusted ports. You can
create static binding by manually configuring information in the bindings database. The
DHCP snooping feature dynamically creates a tentative binding from DHCP DISCOVER and
REQUEST messages. Tentative bindings tie a client to a port (the port where the DHCP
client message was received). Tentative bindings are completed when DHCP snooping
learns the client’s IP address from a DHCP ACK message on a trusted port. DHCP snooping
removes bindings in response to DECLINE, RELEASE, and NACK messages. The DHCP
snooping application ignores the ACK messages as a reply to the DHCP Inform messages
received on trusted ports. You can also enter static bindings into the binding database.
database. The binding’s database only includes data for clients on untrusted ports. You can
create static binding by manually configuring information in the bindings database. The
DHCP snooping feature dynamically creates a tentative binding from DHCP DISCOVER and
REQUEST messages. Tentative bindings tie a client to a port (the port where the DHCP
client message was received). Tentative bindings are completed when DHCP snooping
learns the client’s IP address from a DHCP ACK message on a trusted port. DHCP snooping
removes bindings in response to DECLINE, RELEASE, and NACK messages. The DHCP
snooping application ignores the ACK messages as a reply to the DHCP Inform messages
received on trusted ports. You can also enter static bindings into the binding database.
When a switch learns of new bindings or when it loses bindings, the switch immediately
updates the entries in the database.
updates the entries in the database.
To access the DHCP Snooping Binding Configuration page, click System
Services
DHCP
Snooping
Binding Configuration.