HP Comware 5 Debug Manual Vol 1

// The DHCP client sent a DHCP-REQUEST message, and the state of the DHCP client changed from
SELECTING to REQUESTING.
*0.111421 Sysname DHCPC/7/DHCPC_EVENT:
Vlan-interface2: Receive a packet.
*0.111421 Sysname DHCPC/7/DHCPC_PACKET:
Vlan-interface2: Receive a DHCP packet...
Head: op(BOOTPREPLY); htype(ETHERNET); hlen(6); xid(0x442ac688);
ciaddr(0.0.0.0); yiaddr(22.0.0.2); chaddr(00e0-fc14-1601);
Option: type(DHCPACK); mask(255.255.255.0); lease(86400);
T1(43200); T2(75600); server(11.0.0.1);
*0.111421 Sysname DHCPC/7/DHCPC_EVENT:
Vlan-interface2: FSM state transfers (REQUESTING-->BOUND) successfully.
// The DHCP client received a DHCP-ACK message, and the state of the DHCP client changed from
REQUESTING to BOUND.
*0.111421 Sysname DHCPC/7/DHCPC_EVENT:
Vlan-interface2: Begin to detect IP address conflict via ARP.
// The DHCP client started address conflict detection by using ARP.
*0.111421 Sysname DHCPC/7/DHCPC_EVENT:
Vlan-interface2: Sending ARP request for address(22.0.0.2) succeeded.
// The DHCP client sent an ARP request.
*0.111421 Sysname DHCPC/7/DHCPC_EVENT:
Vlan-interface2: Move to BOUND state if no ARP reply is received in 1000 milliseconds.
// If the DHCP client does not receive any ARP reply within 1 second, the state of the DHCP client will
change to BOUND.
*0.112375 Sysname DHCPC/7/DHCPC_EVENT:
Vlan-interface2: Receive no ARP reply for 22.0.0.2, so begin to use the address.
// The DHCP client did not receive an ARP reply, the state of the DHCP client changed to BOUND, and
the DHCP client can use the IP address.
debugging dhcp-snooping
Use debugging dhcp-snooping to enable DHCP snooping debugging.
Use undo debugging dhcp-snooping to disable DHCP snooping debugging.
Syntax
debugging dhcp-snooping { all | error | event | information | packet }
undo debugging dhcp-snooping { all | error | event | information | packet }
Default
DHCP snooping debugging is disabled.
Views
User view
Default command level
1: Monitor level
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