265
The definition of Circuit ID in the switch is 4 bytes in length and the format is "vlan_id" "module_id" "port_no". The
parameter of "vlan_id" is the first two bytes represent the VLAN ID. The parameter of "module_id" is the third byte for
the module ID (in standalone switch it always equal 0, in switch it means switch ID). The parameter of "port_no" is the
fourth byte and it means the port number.
After enabling DHCP snooping, the switch will monitor all the DHCP messages and implement software transmission.
The DHCP Rate Limit Setting and Config screens in
Figure 4-9-44
&
Figure 4-9-45
appear.
Figure 4-9-44
Option82 Global Setting Page Screenshot
The page includes the following fields:
Object
Description
State
Set the option2 (remote ID option) content of option 82 added by DHCP request
packets.
Default
means the default VLAN MAC format.
User-Define
means the remote-id content of option 82 specified by users
Buttons
: Click to apply changes.
Figure 4-9-45
Option82 Global Setting Page Screenshot
Содержание NS3500-28T-4S
Страница 1: ...NS3500 28T 4S User Manual P N 1072835 REV 00 01 ISS 14JUL14 ...
Страница 41: ...41 3 Press the Apply button to save running configuration to startup configuration ...
Страница 145: ...145 Figure 4 6 2 Before Applying the STA Rules In this example only the default STP values are used ...
Страница 166: ...166 Figure 4 7 4 Multicast Flooding ...
Страница 255: ...255 The page includes the following fields Object Description DHCP Snooping Display the current DHCP snooping status ...
Страница 260: ...260 Buttons Click to clear the statistics Click to refresh the statistics ...
Страница 282: ...282 Figure 4 9 66 Global DoS Setting Page Screenshot ...
Страница 296: ...296 ...
Страница 303: ...303 ...