Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 1472)

DHCP Snooping Commands
Software Reference for x310 Series Switches
56.34 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
show ip dhcp snooping agent-option
Use this command to display DHCP snooping Option 82 information for all interfaces, a
specific interface or a range of interfaces.
Syntax show ip dhcp snooping agent-option [interface <interface-list>]
Mode User Exec and Privileged Exec
Examples To display DHCP snooping Option 82 information for all interfaces, use the command:
To display DHCP snooping Option 82 information for vlan1, use the command:
Output Figure 56-11: Example output from the show ip dhcp snooping agent-option
command
Related Commands ip dhcp snooping agent-option
ip dhcp snooping agent-option circuit-id vlantriplet
ip dhcp snooping agent-option remote-id
ip dhcp snooping subscriber-id
show ip dhcp snooping
show ip dhcp snooping interface
Parameter Description
interface
Specify the interface.
<interface-list>
The name of the interface or interface range.
awplus# show ip dhcp snooping agent-option
awplus# show ip dhcp snooping agent-option interface vlan1
awplus#show ip dhcp snooping agent-option
DHCP Snooping Option 82 Configuration:
Key: C Id = Circuit Id Format
R Id = Remote Id
S Id = Subscriber Id
Option 82 insertion ............... Enabled
Option 82 on untrusted ports ...... Not allowed
----------------------------------------------------------------
vlan1 C Id = vlanifindex
R Id = Access-Island-01-M1
vlan2 C Id = vlantriplet
R Id = Access-Island-01-M1
vlan3 C Id = vlantriplet
R Id = Access-Island-01-M3
vlan4 C Id = vlantriplet
R Id = 0000.cd28.074c
vlan5 C Id = vlantriplet
R Id = 0000.cd28.074c
vlan6 C Id = vlantriplet
R Id = 0000.cd28.074c
port1.0.1 S Id =
port1.0.2 S Id =
port1.0.3 S Id = phone_1
port1.0.4 S Id =
port1.0.5 S Id = PC_1
port1.0.6 S Id = phone_2