Configuring Ip Source Guard; Table 329 Show Dhcp Binding Port Command; Table 330 Clear Dhcp Snp Bind Command - Zte ZXR10 2920 User Manual

ZXR10 2920/2928/2952
Result
Purpose
Steps
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T 3 2 9 S
A B L E H O W
Format
show dhcp
snooping binding
[port
<portname>]
Result: This displays information of DHCP Snooping dynamic
binding table.
Note: Display information of the host that get dynamic
configurations on DHCP Snooping enabled port recorded by
switch
4. To clear information of DHCP Snooping dynamic binding
table/item, use command clear dhcp snp-bind-entry
{all|port <portname>|mac <xx.
in global configuration mode.
T 3 3 0 C
A B L E L E A R
Format
clear dhcp snp-
bind-entry
{all|port
<portname>|mac
<xx. xx. xx.
xx. xx>}
Result: This clears information of DHCP Snooping dynamic
binding table/item.
Important! There are three kinds of modes to clear
information of DHCP Snooping dynamic binding table/item:
clear all, based on port and based on MAC address.
Note: All items in table are dynamic generated and cleared.
Only when network trouble appears and dynamic host
configurations fail to recover, users are advertised to clear
table items by hand.
interaction.
E
ND OF STEPS
DHCP snooping has been configured on ZXR10 2920/2928/2952.

Configuring IP Source Guard

This topic describes IP source guard configuration on ZXR10
2920/2928/2952.
For the configuration of IP source guard, perform the following
steps.
D B P C
H C P I N D I N G O R T O M M A N D
Mode
global config
This is shown in Table 330.
D S B C
H C P N P I N D O M M A N D
Mode
global config
xx.
Otherwise it will impact DHCP
Function
This displays
information of
DHCP Snooping
dynamic binding
table
xx. xx. xx. xx.
Function
This clears
information of
DHCP Snooping
dynamic binding
table/item.
xx>}