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Relay Server
Indicates the DHCP relay server IP address. A DHCP relay agent is used to forward and to transfer
DHCP messages between the clients and the server when they are not in the same subnet domain.
Relay Information Mode
Indicates the DHCP relay information mode option operation. The option 82 circuit ID format as
"[vlan_id][module_id][port_no]". The first four characters represent the VLAN ID, the fifth and sixth
characters are the module ID(in standalone device it always equal 0, in stackable device it means switch
ID). ), and the last two characters are the port number. For example, "00030108" means the DHCP
message receive form VLAN ID 3, switch ID 1, port No 8. And the option 82 remote ID value is equal the
switch MAC address.
Possible modes are:
Enabled:
Enable DHCP relay information mode operation. When DHCP relay information
mode operation is enabled, the agent inserts specific information (option 82) into a DHCP
message when forwarding to DHCP server and removes it from a DHCP message when
transferring to DHCP client. It only works when DHCP relay operation mode is enabled.
Disabled
: Disable DHCP relay information mode operation.
Relay Information Policy
Indicates the DHCP relay information option policy. When DHCP relay information mode operation is
enabled, if agent receives a DHCP message that already contains relay agent information it will enforce
the policy. And it only works under DHCP if relay information operation mode is enabled. Possible policies
are:
Replace:
Replace the original relay information when a DHCP message that already contains it is
received.
Keep:
Keep the
original
relay information when a DHCP message that already contains it is received.
Drop:
Drop the
package
when a DHCP message that already contains relay information is received.
Buttons
Save:
Click to save changes.
Reset:
Click to undo any changes made locally and revert to previously saved values.
4.4.2.5 IP Source Guard Configuration
IP
Source
Guard
Configuration
Содержание VSW7242
Страница 1: ......
Страница 119: ...119 Reset Click to undo any changes made locally and revert to previously saved values...
Страница 197: ...197 Note 2 While firmware uploading process is started please don t shutdown the switch...
Страница 286: ...286 Save Click to save the configuration file Upload Click to upload the configuration file...
Страница 288: ...288...