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Configuring Advanced Threat Protection

DHCP Snooping

■ ProCurve recommends running a time synchronization protocol such as

SNTP in order to track lease times accurately.

■ A remote server must be used to save lease information or there may be

a loss of connectivity after a switch reboot.

Log Messages

Server <ip-address> packet received on untrusted port <port-number>

dropped. Indicates a DHCP server on an untrusted port is attempting to

transmit a packet. This event is recognized by the reception of a DHCP server

packet on a port that is configured as untrusted.

Ceasing untrusted server logs for %s. More than one packet was

received from a DHCP server on an untrusted port. To avoid filling the log file

with repeated attempts, untrusted server drop packet events will not be logged

for the specified <duration>.

Client packet destined to untrusted port <port-number>

dropped. Indicates that the destination of a DHCP client unicast packet is

on an untrusted port. This event is recognized when a client unicast packet is

dropped because the destination address is out a port configured as untrusted.

Ceasing untrusted port destination logs for %s. More that one client

unicast packet with an untrusted port destination was dropped. To avoid filling

the log file with repeated attempts, untrusted port destination attempts will

not be logged for the specified <duration>.

Unauthorized server <ip-address> detected on port

<port-number>. Indicates that an unauthorized DHCP server is attempting

to send packets. This event is recognized when a server packet is dropped

because there are configured authorized servers and a server packet is

received from a server that is not configured as an authorized server.

Ceasing unauthorized server logs for <duration>. More than one unau-

thorized server packet was dropped. To avoid filling the log file with repeated

attempts, unauthorized server transmit attempts will not be logged for the

specified <duration>.

Received untrusted relay information from client <mac-address> on

port <port-number>. Indicates the reception on an untrusted port of a

client packet containing a relay information option field. This event is recog-

nized when a client packet containing a relay information option field is

dropped because it was received on a port configured as untrusted.

10-13

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