Chapter 18 IP Source Guard
GS1510 Series User’s Guide
108
18.5 Port Settings
Use this screen to define the maximum number of hosts allowed to simultaneously
connect to each port. Each host that successfully acquires an IP address from a
Server Ports
Select the ports that are connected to DHCP servers or other
Switches and deselect the ports which are not.
Server ports are connected to DHCP servers or other switches,
and the Switch discards DHCP packets from trusted ports only if
the rate at which DHCP packets arrive is too high.
Untrusted ports are connected to subscribers, and the Switch
discards DHCP packets from these ports in the following
situations:
• The packet is a DHCP server packet (for example, OFFER,
ACK, or NACK).
• The source MAC address and source IP address in the packet
do not match any of the current bindings.
• The packet is a RELEASE or DECLINE packet, and the source
MAC address and source port do not match any of the current
bindings.
• The rate at which DHCP packets arrive is too high.
Select All
Click this to set all ports as server ports.
Deselect All
Click this to deselect all ports that are set as server ports.
Apply
Click this to save any changes to the Switch.
Refresh
Click this to reload the screen and reset any changes that were
just made.
DHCP Snooping State This field displays the current status of the DHCP snooping
feature,
Enabled
or
Disabled
.
Enabled on VLAN
This field displays the VLAN IDs that have DHCP snooping
enabled on them. This will display
None
if no VLANs have been
set.
Server Ports
This field displays the ports which have been set as server ports.
This will display
None
if no ports have been set
Table 30
DHCP Snooping (continued)
LABEL
DESCRIPTION
Содержание GS1510-16 -
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Страница 8: ...Safety Warnings GS1510 Series User s Guide 8...
Страница 10: ...Contents Overview GS1510 Series User s Guide 10...
Страница 18: ...18...
Страница 26: ...Chapter 2 Hardware Installation and Connection GS1510 Series User s Guide 26...
Страница 34: ...34...
Страница 60: ...Chapter 9 Port Settings GS1510 Series User s Guide 60...
Страница 62: ...62...
Страница 76: ...Chapter 12 IGMP Snooping GS1510 Series User s Guide 76...
Страница 92: ...Chapter 15 QoS GS1510 Series User s Guide 92...
Страница 100: ...Chapter 17 Spanning Tree Protocol GS1510 Series User s Guide 100...
Страница 102: ...102...
Страница 116: ...Chapter 18 IP Source Guard GS1510 Series User s Guide 116...
Страница 142: ...Chapter 22 SNMP GS1510 Series User s Guide 142...
Страница 145: ...145 PART V Troubleshooting Product Specifications Troubleshooting 147 Product Specifications 151...
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Страница 150: ...Chapter 24 Troubleshooting GS1510 Series User s Guide 150...
Страница 156: ...Chapter 25 Product Specifications GS1510 Series User s Guide 156...
Страница 158: ...158...
Страница 178: ...Appendix C Legal Information GS1510 Series User s Guide 178...
Страница 204: ...Index GS1510 Series User s Guide 204...