3Com MSR 30, MSR 50 manual DHCPmessagetype, Dhcp ACK Dhcp NAK

754CHAPTER 56: DHCP DEBUGGING COMMANDS

Table 138 Description on the fields of the debugging dhcp server packet command

Field Description

Broadcast flag: BroadcastFlag

Your IP address: YourIPAddress

Boot file name: BootFileName

DHCP message type:

DHCPmessagetype

DHCP broadcast flag: 1 refers to broadcast, and 0 refers to unicast.

IP address that the DHCP server assigns to the client Boot file name and path

DHCP message type, which can be:

■DHCP Discover

■DHCP Offer

■DHCP Request

■DHCP Decline

■DHCP ACK

■DHCP NAK

■DHCP Release

■DHCP Inform

Table 139 Description on the fields of the debugging dhcp server event command

Field	Description
Sending ICMP ECHOREQUEST to	An ICMP request is sent to verify whether the IP
target IP: ip-address.	address is being used.
ICMP still need to detect for time(s)	The times for sending ICMP packets to detect the
time(s).	lease
Send Message-Type to clientID/MAC	Succeeded in sending the DHCP packet
Offer IP=> ip-address via ip-address.
Failed to send Message-Typeto	Failed to send the DHCP packet
clientID/MAC.
Find manual binding lease	A static binding entry is found.
successfully.
Assign Lease-TypeLease from global	Assign a lease from the global address pool. The lease
pool.	type can be Used, Free, and Timeout.
Reclaim conflicted IP Address from	Assign a lease from conflicted IP addresses in the
global pool.	global address pool
Lease is exhausted!	The lease duration expires.
Acknowledge the DHCPREQUEST	The DHCP server returns an ACK message and assigns
message!	the requested IP address to the client.
Deny DHCPREQUEST message!	The DHCP server returns an NAK message and does
	not assign the requested IP address to the client.
Table 140 Description on the fields of the debugging dhcp server error command
Field	Description
Dealing with packet failed!	Failed to process the DHCP packet
Decoding DHCP packet failed!	Failed to parse the DHCP packet
ucOp error!	DHCP packet type error
Building option failed!	Failed to create an option
No free buffer for option!	No free buffer space to create options
Deleting lease failed when manual	Failed to delete the lease when configuring a static
binding!	binding entry