beautypg.com

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

Page 1437

background image

DHCP Snooping Introduction and Configuration

Software Reference for x310 Series Switches

C613-50046-01 REV A

AlliedWare Plus

TM

Operating System - Version 5.4.4C

55.15

Troubleshooting DHCP snooping

42.

awplus#

show ip dhcp snooping binding

Check all entries in the DHCP snooping
database.

43.

awplus#

show ip source binding

Check the static entries in the DHCP snooping
database.

44.

awplus#

show ip dhcp snooping statistics

[detail] [interface ]

clear ip dhcp snooping statistics

[interface ]

Check DHCP snooping statistics.

45.

awplus#

show arp security statistics [detail]

[interface ]

clear arp security statistics

[interface ]

Check ARP security statistics.

46.

awplus#

debug ip dhcp snooping {all|acl|db|

packet [detail]}

show debugging ip dhcp snooping

debug arp security

show debugging arp security

Enable debug output for DHCP snooping and/or
ARP security.

47.

If you have not already set the switch to log
DHCP snooping and ARP security violations, you
can do this for troubleshooting purposes. See

Step 37 on page 55.14

.

48.

awplus#

show log

Display the contents of the buffered log,
including any DHCP snooping log and debug
messages. (See also

Chapter 10, Logging

Commands

.)

Table 55-2: General configuration procedure for DHCP snooping(cont.)