HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Services Comm - Page 67

display dhcp-snooping, ip-address, regular-expression, Fundamentals Configuration Guide

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display dhcp-snooping Syntax View display dhcp-snooping [ ip ip-address ] [ | { begin | exclude | include } regular-expression ] Any view Default level 1: Monitor level Parameters ip ip-address: Displays the DHCP snooping entries corresponding to the specified IP address. |: Filters command output by specifying a regular expression. For more information about regular expressions, see Fundamentals Configuration Guide. begin: Displays the first line that matches the specified regular expression and all lines that follow. exclude: Displays all lines that do not match the specified regular expression. include: Displays all lines that match the specified regular expression. regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters. Description Use display dhcp-snooping to display DHCP snooping entries. Only the DHCP snooping entries containing IP-to-MAC bindings that are present both in the DHCP-ACK and DHCP-REQUEST messages are displayed by using the display dhcp-snooping command. Related commands: dhcp-snooping and reset dhcp-snooping. Examples # Display all DHCP snooping entries. display dhcp-snooping DHCP Snooping is enabled. The client binding table for all untrusted ports. Type : D--Dynamic , S--Static , R--Recovering Type IP Address MAC Address Lease VLAN SVLAN Interface D 10.1.1.1 00e0-fc00-0006 286 1 2 GigabitEthernet1/0/1 --- 1 dhcp-snooping item(s) found --- Table 10 Command output Field Type IP Address MAC Address Description Entry type: • D-Dynamic. • S-Static. Static DHCP snooping entries are not supported. • R-The DHCP snooping entry is being restored through the DHCP snooping entry file, and the interface in the entry is invalid. IP address assigned to the DHCP client. MAC address of the DHCP client. 60

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60
display dhcp-snooping
Syntax
display dhcp-snooping
[
ip
ip-address
] [
|
{
begin
|
exclude
|
include
}
regular-expression
]
View
Any view
Default level
1: Monitor level
Parameters
ip
ip-address
: Displays the DHCP snooping entries corresponding to the specified IP address.
|
: Filters command output by specifying a regular expression. For more information about regular
expressions, see
Fundamentals Configuration Guide
.
begin
: Displays the first line that matches the specified regular expression and all lines that follow.
exclude
: Displays all lines that do not match the specified regular expression.
include
: Displays all lines that match the specified regular expression.
regular-expression
: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Description
Use
display dhcp-snooping
to display DHCP snooping entries.
Only the DHCP snooping entries containing IP-to-MAC bindings that are present both in the DHCP-ACK
and DHCP-REQUEST messages are displayed by using the
display dhcp-snooping
command.
Related commands:
dhcp-snooping
and
reset dhcp-snooping
.
Examples
# Display all DHCP snooping entries.
<Sysname> display dhcp-snooping
DHCP Snooping is enabled.
The client binding table for all untrusted ports.
Type : D--Dynamic , S--Static , R--Recovering
Type IP Address
MAC Address
Lease
VLAN SVLAN Interface
==== =============== ============== ============ ==== ===== =================
D
10.1.1.1
00e0-fc00-0006 286
1
2
GigabitEthernet1/0/1
---
1 dhcp-snooping item(s) found
---
Table 10
Command output
Field
Description
Type
Entry type:
•
D
—Dynamic.
•
S
—Static. Static DHCP snooping entries are not supported.
•
R
—The DHCP snooping entry is being restored through the DHCP
snooping entry file, and the interface in the entry is invalid.
IP Address
IP address assigned to the DHCP client.
MAC Address
MAC address of the DHCP client.