DHCP Snooping
181
Syntax
•
ip dhcp snooping information option allowed-untrusted
•
no ip dhcp snooping information option allowed-untrusted
Default Configuration
Discard DHCP packets with option-82 information from an untrusted port.
Command Mode
Global Configuration mode.
User Guidelines
•
There are no user guidelines for this command.
Example
The following example configures a switch to accept DHCP packets with option-82 information from an
untrusted port.
ip dhcp snooping verify
The
ip dhcp snooping verify
Global Configuration mode command configures the switch to verify on an
untrusted port that the DHCP packet source
MAC address
matches the client hardware address. Use the
no
form of this command to configure the switch to not verify the MAC addresses.
Syntax
•
ip dhcp snooping verify
•
no ip dhcp snooping verify
Default Configuration
The switch verifies the source MAC address in a DHCP packet that is received on untrusted ports
matches the client hardware address in the packet.
Command Mode
Global Configuration mode.
User Guidelines
•
There are no user guidelines for this command.
console (config)#
ip dhcp snooping information option allowed-untrusted
5400_CLI.book Page 181 Wednesday, December 17, 2008 4:33 PM
Содержание PowerConnect 5424
Страница 114: ...114 Address Table Commands 5400_CLI book Page 114 Wednesday December 17 2008 4 33 PM ...
Страница 178: ...178 Ethernet Configuration Commands 5400_CLI book Page 178 Wednesday December 17 2008 4 33 PM ...
Страница 194: ...194 GVRP Commands 5400_CLI book Page 194 Wednesday December 17 2008 4 33 PM ...
Страница 204: ...204 IGMP Snooping Commands 5400_CLI book Page 204 Wednesday December 17 2008 4 33 PM ...
Страница 252: ...252 Line Commands 5400_CLI book Page 252 Wednesday December 17 2008 4 33 PM ...
Страница 268: ...268 LLDP Commands 5400_CLI book Page 268 Wednesday December 17 2008 4 33 PM ...
Страница 280: ...280 PHY Diagnostics Commands 5400_CLI book Page 280 Wednesday December 17 2008 4 33 PM ...
Страница 288: ...288 Port Monitor Commands 5400_CLI book Page 288 Wednesday December 17 2008 4 33 PM ...
Страница 300: ...300 QoS Commands 5400_CLI book Page 300 Wednesday December 17 2008 4 33 PM ...
Страница 308: ...308 Radius Commands 5400_CLI book Page 308 Wednesday December 17 2008 4 33 PM ...
Страница 326: ...326 RMON Commands 5400_CLI book Page 326 Wednesday December 17 2008 4 33 PM ...
Страница 386: ...386 SSH Commands 5400_CLI book Page 386 Wednesday December 17 2008 4 33 PM ...
Страница 400: ...400 Syslog Commands 5400_CLI book Page 400 Wednesday December 17 2008 4 33 PM ...
Страница 418: ...418 System Management 5400_CLI book Page 418 Wednesday December 17 2008 4 33 PM ...
Страница 432: ...432 TIC Commands 5400_CLI book Page 432 Wednesday December 17 2008 4 33 PM ...
Страница 440: ...440 Tunnel 5400_CLI book Page 440 Wednesday December 17 2008 4 33 PM ...
Страница 476: ...476 Voice VLAN 5400_CLI book Page 476 Wednesday December 17 2008 4 33 PM ...
Страница 490: ...490 Web Server 5400_CLI book Page 490 Wednesday December 17 2008 4 33 PM ...