Chapter 23 IP Source Guard
MGS-3712/MGS-3012F User’s Guide
197
23.5.2 DHCP Snooping VLAN Configure
Use this screen to enable DHCP snooping on each VLAN and to specify whether or not the
Switch adds DHCP relay agent option 82 information (
) to DHCP
requests that the Switch relays to a DHCP server for each VLAN. To open this screen, click
Advanced Application > IP Source Guard > DHCP Snooping > Configure > VLAN
.
Figure 109
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
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
You can specify the DHCP VLAN in the
DHCP Snooping Configure
screen. See
Apply
Click
Apply
to save your changes to the Switch’s run-time memory. 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 non-
volatile memory when you are done configuring.
Cancel
Click this to reset the values in this screen to their last-saved values.
Содержание MGS-3712
Страница 2: ......
Страница 7: ...Safety Warnings MGS 3712 MGS 3012F User s Guide 7 ...
Страница 8: ...Safety Warnings MGS 3712 MGS 3012F User s Guide 8 ...
Страница 20: ...Table of Contents MGS 3712 MGS 3012F User s Guide 20 ...
Страница 28: ...List of Tables MGS 3712 MGS 3012F User s Guide 28 ...
Страница 30: ...30 ...
Страница 38: ...Chapter 2 Hardware Installation and Connection MGS 3712 MGS 3012F User s Guide 38 ...
Страница 50: ...50 ...
Страница 70: ...Chapter 6 System Status and Port Statistics MGS 3712 MGS 3012F User s Guide 70 ...
Страница 82: ...Chapter 7 Basic Setting MGS 3712 MGS 3012F User s Guide 82 ...
Страница 84: ...84 ...
Страница 132: ...Chapter 15 Link Aggregation MGS 3712 MGS 3012F User s Guide 132 ...
Страница 142: ...Chapter 17 Port Security MGS 3712 MGS 3012F User s Guide 142 ...
Страница 148: ...Chapter 18 Classifier MGS 3712 MGS 3012F User s Guide 148 Figure 80 Classifier Example ...
Страница 153: ...Chapter 19 Policy Rule MGS 3712 MGS 3012F User s Guide 153 Figure 83 Policy Example ...
Страница 154: ...Chapter 19 Policy Rule MGS 3712 MGS 3012F User s Guide 154 ...
Страница 169: ...Chapter 21 Multicast MGS 3712 MGS 3012F User s Guide 169 Figure 96 MVR Group Configuration Example ...
Страница 170: ...Chapter 21 Multicast MGS 3712 MGS 3012F User s Guide 170 ...
Страница 184: ...Chapter 22 Authentication Accounting MGS 3712 MGS 3012F User s Guide 184 ...
Страница 214: ...Chapter 25 Two Rate Three Color Marker MGS 3712 MGS 3012F User s Guide 214 ...
Страница 215: ...215 PART IV IP Application Static Route 217 DHCP 221 ...
Страница 216: ...216 ...
Страница 220: ...Chapter 26 Static Route MGS 3712 MGS 3012F User s Guide 220 ...
Страница 227: ...Chapter 27 DHCP MGS 3712 MGS 3012F User s Guide 227 Figure 134 DHCP Relay for Two VLANs Configuration Example ...
Страница 228: ...Chapter 27 DHCP MGS 3712 MGS 3012F User s Guide 228 ...
Страница 230: ...230 ...
Страница 256: ...Chapter 30 Diagnostic MGS 3712 MGS 3012F User s Guide 256 ...
Страница 260: ...Chapter 31 Syslog MGS 3712 MGS 3012F User s Guide 260 ...
Страница 273: ...273 PART VI Troubleshooting Product Specifications Troubleshooting 275 Product Specifications 279 ...
Страница 274: ...274 ...
Страница 278: ...Chapter 36 Troubleshooting MGS 3712 MGS 3012F User s Guide 278 ...
Страница 285: ...285 PART VII Appendices and Index Common Services 287 Legal Information 291 Customer Support 295 Index 301 ...
Страница 286: ...286 ...
Страница 290: ...Appendix A Common Services MGS 3712 MGS 3012F User s Guide 290 ...
Страница 294: ...Appendix B Legal Information MGS 3712 MGS 3012F User s Guide 294 ...
Страница 308: ...Index MGS 3712 MGS 3012F User s Guide 308 ...