Chapter 8
| General Security Measures
DHCPv4 Snooping
– 292 –
Example
Console#clear ip dhcp snooping database flash
Console#
show ip dhcp
snooping
This command shows the DHCP snooping configuration settings.
Command Mode
Privileged Exec
Example
Console#show ip dhcp snooping
Global DHCP Snooping status: disabled
DHCP Snooping Information Option Status: disabled
DHCP Snooping Information Option Sub-option Format: extra subtype included
DHCP Snooping Information Option Remote ID: MAC Address (hex encoded)
DHCP Snooping Information Policy: replace
DHCP Snooping is configured on the following VLANs:
1
Verify Source Mac-Address: enabled
DHCP Snooping rate limit: unlimited
Interface Trusted Circuit-ID Mode Circuit-ID Value
---------- ---------- --------------- --------------------------------
Eth 1/1 No VLAN-Unit-Port ---
Eth 1/2 No VLAN-Unit-Port ---
Eth 1/3 No VLAN-Unit-Port ---
Eth 1/4 No VLAN-Unit-Port ---
Eth 1/5 No VLAN-Unit-Port ---
.
.
.
show ip dhcp
snooping binding
This command shows the DHCP snooping binding table entries.
Command Mode
Privileged Exec
Example
Console#show ip dhcp snooping binding
MAC Address IP Address Lease(sec) Type VLAN Interface
----------------- --------------- ---------- -------------------- ---- ---------
11-22-33-44-55-66 192.168.0.99 0 Dynamic-DHCPSNP 1 Eth 1/5
Console#
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