HP Comware 5 Debug Manual Vol 1

Field
Description
LLC2 FSM event: event State machine event of the LLC2 virtual circuit.
LLC2 FSM action: action
Action taken by the DLSw virtual circuit state machine
for the event.
Ta b l e 218 describes output fields and messages for the debugging llc2 error command.
Table 218 Output from the debugging llc2 error command
Field
Description
Error
An error that occurred in the LLCP sub-module. This
error can be a module-level error, such as failure of
finding the LLC2 virtual circuit for a packet, or a
system-level error, such as memory request failure.
Tab l e 219 describe output fields and messages for the debugging llc2 packet command.
Table 219 Output from the debugging llc2 packet command
Field
Description
interface-type interface-number (Output / Input)
The local interface on which the packet was sent
out/received and the packet direction.
U frame
Packet type. Only the information of U frames can be
displayed with the LLC2 debugging command.
Partial data Part of the packet data.
Examples
Figure 6 LLC2-to-LLC2 network diagram
# Enable LLC2 debugging on the router connecting to the IBM host in Figure 6 to view the debugging
information of the LLC2 sub-module in the process of DLSw virtual circuit establishment.
<Sysname>display debugging
DLSw llc2 circuit debugging switch is on
DLSw llc2 packet debugging switch is on
DLSw llc2 error debugging switch is on
// All types of debugging for the LLC2 sub-module have been enabled.
*0.191645 Sysname LLC2/7/LLC2_PKT:
LLC2_PACKET Ethernet1/0 (Input) U frame
*0.191646 Sysname LLC2/7/LLC2_PKT:
07fd4460 00 00 e8 1c b6 bf 00 04 ac de 07 a6 00 03 04 05
07fd4470 f3 00 04 ac de 07 a6 00 00 e8 1c b6 00 04 ac de
07fd4480 07 a6 00 00 e8 1c b6 bf 00 03 04 04 f3 2a 20 63
07fd4490 6f 6d 6d 61 00 00 00 00 00 00 00 00
// TEST_RSP packet.
WAN
IBM
host
Terminal
405