HP Comware 5 Debug Manual Vol 2

Parameters
all: Specifies all types of debugging for ND snooping.
error: Specifies ND snooping error debugging.
event: Specifies ND snooping event debugging.
packet: Specifies ND snooping packet debugging.
interface interface-type interface-number: Specifies ND snooping debugging for an interface specified
by its type and number.
Table 2 describes output fields and messages for the debugging ipv6 nd snooping packet command.
Table 126 Output from the debugging ipv6 nd snooping packet command
Field
Description
State: State1----> State2
The state changed from State1 to State2:
• Bound—Valid.
• OldSent—DAD NS message already sent for checking the validity of the
existing ND snooping entry.
• NewSent—DAD NS message already sent for checking the validity of the
received packet.
Old MAC MAC address in the ND snooping entry.
Old port Port information in the ND snooping entry.
New MAC
The source MAC address of the packet received is inconsistent with that in the
ND snooping entry.
New port
The receiving port information in the packet received is inconsistent with that in
the ND snooping entry.
Usage guidelines
If no interface is specified, this command displays ND snooping debugging information for all interfaces.
If an interface is specified, this command displays ND snooping debugging information for the specified
interface.
Examples
# Enable ND snooping debugging.
<Sysname> debugging ipv6 nd snooping error
<Sysname> system-view
[Sysname] vlan 1
# Enable ND snooping in VLAN 1.
[Sysname-vlan1] ipv6 nd snooping enable
Output similar to the following example is generated:
*Jun 23 16:36:16:769 2009 Sysname ND/7/ ND SNOOPING_ERROR:
Failed to enable ND snooping.
// ND failed to enable ND snooping.
# Enable ND snooping event debugging. When the card is removed from slot 1, output similar to the
following example is generated:
<Sysname> debugging ipv6 nd snooping event
*Jun 23 16:36:16:749 2009 Sysname ND/7/ ND SNOOPING_EVENT:
187