Chapter 26 IP Source Guard
open this screen, click Advanced Application > IP Source Guard > DHCP Snooping > Configure > VLAN.
Figure 129 DHCP Snooping VLAN Configure
The following table describes the labels in this screen.
Table 79 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 26.5 on page |
| 246. |
|
|
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 79. You can specify the DHCP |
| VLAN in the DHCP Snooping Configure screen. See Section |
|
250 |
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