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DES-7200 Configuration Guide Chapter 5 DHCP Relay Configuration
5-7
DES-7200(config-ext-nacl)# deny ip 192.168.3.0 0.0.0.255 192.168.5.0
0.0.0.255
DES-7200(config-ext-nacl)# deny ip 192.168.4.0 0.0.0.255 192.168.4.0
0.0.0.255
DES-7200(config-ext-nacl)# deny ip 192.168.4.0 0.0.0.255 192.168.5.0
0.0.0.255
DES-7200(config-ext-nacl)# deny ip 192.168.5.0 0.0.0.255 192.168.5.0
0.0.0.255
DES-7200(config-ext-nacl)# deny ip 192.168.5.0 0.0.0.255 192.168.3.0
0.0.0.255
DES-7200(config-ext-nacl)# deny ip 192.168.5.0 0.0.0.255 192.168.4.0
0.0.0.255
DES-7200(config-ext-nacl)# exit
Then, apply the command to the global interfaces using the ip dhcp relay
information option dot1x access-group DenyAccessEachOtherOfUnauthrize
command.
To configure DHCP option dot1x access-group, execute the following
commands in the global configuration mode:
Command Function
DES-7200(config)# ip dhcp relay
information option dot1x access-group
acl-name
Enable DHCP option dot1x acl.
DES-7200(config)# no ip dhcp relay
information option dot1x access-group
acl-name
Disable DHCP option dot1x acl.
5.2.5 Configuring DHCP
option 82
When the ip dhcp relay information option82 command is configured, the
device adds option in the format as described in Understanding DHCP Relay
Agent Information to the DHCP server during DHCP relay.
To configure DHCP option82, execute the following commands in the global
configuration mode:
Command Function
DES-7200(config)# ip dhcp relay
information option82
Enable the DHCP option82 function.
DES-7200(config)# no ip dhcp relay
information option82
Disable the DHCP option82 function.