Allied Telesis x900-48 series - Manual (Page 34)

Page 34 | AlliedWare™ OS How To Note: DHCP snooping on AT-9900-style switches
Troubleshooting > Cannot create a binding entry
Cannot create a binding entry
When you want to add a static entry to the DHCP snooping database you need to create a
binding entry.
This error is caused, once again, by the port not being a part of a QoS policy, so the port is
rejected admission to the DHCP snooping database.
Manager > add dhcpsnooping binding=00-00-00-00-00-02 int=vlan1 ip=172.16.1.202 port=2
DHCPSN_DB: Creating new entry with entryId 2.
DHCPSN_DB: Notifying DB listener: CLASSIFR
DHCPSN_ACL: dhcpSnoopAclListener >> dbEntryPt=0x141ecef8 flags=0x00000080
DHCPSN_ACL: dhcpSnoopAclBindingFindByEntryIndex >> finding binding entryId=2
DHCPSN_ACL: dhcpSnoopAclBindingFindGroup >> found 0 items
DHCPSN_ACL: dhcpSnoopAclBindingFindByEntryIndex >> finding binding entryId=2 items=0
DHCPSN_ACL: dhcpSnoopAclBindingFindFreeByPortNumber >> finding binding portNum=2
DHCPSN_ACL: dhcpSnoopAclBindingFindGroup >> found 0 items
DHCPSN_ACL: dhcpSnoopAclBindingFindFreeByPortNumber >> finding binding portNum=2 items=0
DHCPSN_DB: Change state for 00-00-00-00-00-02, in NONE for event LISTENER_FAIL
DHCPSN_DB: Notifying DB listener: CLASSIFR
DHCPSN_ACL: dhcpSnoopAclListener >> dbEntryPt=0x141ecef8 flags=0x00000100
DHCPSN_ACL: dhcpSnoopAclBindingFindByEntryIndex >> finding binding entryId=2
DHCPSN_ACL: dhcpSnoopAclBindingFindGroup >> found 0 items
DHCPSN_ACL: dhcpSnoopAclBindingFindByEntryIndex >> finding binding entryId=2 items=0
DHCPSN_DB: Changed state for 00-00-00-00-00-02, to NONE
Error (3137258): Static DHCP Snooping entry could not be added. Check log for details.
Manager > show conf dyn=qos
# QOS configuration
create qos policy=1
create qos trafficclassifier=1
create qos flow=1 action=FORWARD
create qos flow=99 action=DISCARD
add qos policy=1 trafficclassifier=1
set qos port=1 policy=1
add qos trafficclassifier=1 flow=1
add qos trafficclassifier=1 flow=99
add qos flow=1 classifier=1
add qos flow=99 classifier=99