3com S7906E Guide De Référence

 

4-9 

# Display all IP-to-MAC bindings recorded by the DHCP snooping device. 

<Sysname> display dhcp-snooping 

 DHCP Snooping is enabled. 

 The client binding table for all untrusted ports. 

 Type : D--Dynamic , S--Static 

 Type    IP Address  

 MAC Address  

 Lease       VLAN 

 Interface 

 ====  ===============   ===============  ========= 

==== ================= 

 D     10.1.1.1        000f-e200-0006   286  

   1 

 GigabitEthernet2/0/1 

---   1 dhcp-snooping item(s) found   --- 

Table 4-1 display dhcp snooping command output description 

Type Binding 

type 

IP Address 

IP address assigned to the DHCP client 

MAC Address 

MAC address of the DHCP client 

Lease 

Lease period left (in seconds) 

VLAN 

VLAN where the port connecting the DHCP client resides 

Interface 

Port to which the DHCP client is connected 

 

display dhcp-snooping information { all | interface interface-type interface-number } 

Any view 

1: Monitor level 

all: Displays the Option 82 configuration information of all Ethernet ports. 

interface  interface-type  interface-number: Displays the Option 82 configuration information of a 

specified interface. 

Use the display dhcp-snooping information command to display Option 82 configuration information 

on the DHCP snooping device. 

# Display the Option 82 configuration information of all interfaces. 

<Sysname> display dhcp-snooping information all