Chapter 25 IP Source Guard
open this screen, click Advanced Application > IP Source Guard > DHCP Snooping > Configure > VLAN.
Figure 120 DHCP Snooping VLAN Configure
The following table describes the labels in this screen.
Table 70 DHCP Snooping VLAN Configure
LABEL | DESCRIPTION |
Show VLAN | Use this section to specify the VLANs you want to manage in the |
| section below. |
|
|
Start VID | Enter the lowest VLAN ID you want to manage in the section below. |
|
|
End VID | Enter the highest VLAN ID you want to manage in the section below. |
|
|
Apply | Click this to display the specified range of VLANs in the section below. |
|
|
VID | This field displays the VLAN ID of each VLAN in the range specified |
| above. If you configure the * VLAN, the settings are applied to all |
| VLANs. |
|
|
Enabled | Select Yes to enable DHCP snooping on the VLAN. You still have to |
| enable DHCP snooping on the Switch and specify trusted ports. |
| Note: If DHCP is enabled and there are no trusted ports, DHCP |
| requests will not succeed. |
|
|
Option82 | Select this to have the Switch add the slot number, port number and |
| VLAN ID to DHCP requests that it broadcasts to the DHCP VLAN, if |
| specified, or VLAN. You can specify the DHCP VLAN in the DHCP |
| Snooping Configure screen. See Section 25.5 on page 228. |
|
|
Information | Select this to have the Switch add the system name to DHCP requests |
| that it broadcasts to the DHCP VLAN, if specified, or VLAN. You can |
| configure the system name in the General Setup screen. See Chapter |
| 8 on page 73. You can specify the DHCP VLAN in the DHCP Snooping |
| Configure screen. See Section 25.5 on page 228. |
|
|
Apply | Click Apply to save your changes to the Switch’s |
| The Switch loses these changes if it is turned off or loses power, so use |
| the Save link on the top navigation panel to save your changes to the |
| |
|
|
Cancel | Click this to reset the values in this screen to their |
232 |
| |
| ||
|
|
|