HP Comware 5 Debug Manual Vol 1

Default command level
1: Monitor level
Parameters
dlsw: Debugging for DLSw virtual interfaces.
interface: Debugging for the specified interface.
interface-type interface-number: Specifies an interface by its type and number.
Usage guidelines
Table 106 describes output fields and messages for the debugging bridge eth-forwarding command.
Table 106 Output from the debugging bridge eth-forwarding command
Field
Description
Forward a frame Action for the packet.
received from interface interface-type
interface-number
Incoming interface of the packet.
send to interface interface-type interface-number
Outgoing interface of the packet (this field is not
printed if no outgoing interface exists).
frame head Packet header content.
Examples
Figure 2 Network diagram
# Enable debugging for transparent bridging forwarding on Router B. Output similar to the following
example is generated when you ping Router C from Router A under the following conditions:
•
Transparent bridging is enabled on Router B.
•
Ethernet 1/2 and Ethernet 1/3 on Router B are assigned to the same bridge set.
<Sysname> debugging bridge eth-forwarding
*0.63325961 Sysname BRIDGE/7/DEBUGGING:
Broadcast a frame;and try to send to interface Ethernet1/3, with following frame head :
ff ff ff ff ff ff 00 0f e2 00 00 21 08 06
// BRIDGE received an ARP request on Ethernet 1/2 and forwarded the ARP request to all interfaces but
Ethernet 1/2 in the bridge set.
*0.63325961 Sysname BRIDGE/7/DEBUGGING:
Forward a frame; received from interface Ethernet1/3;and try to send to interface
Ethernet1/2, with following frame head :
00 0f e2 00 00 21 00 e0 fc 3a 5f 07 08 06
// BRIDGE received an ARP reply on Ethernet 1/3 and forwarded the ARP reply to Ethernet 1/2.
*0.63325962 Sysname BRIDGE/7/DEBUGGING:
Forward a frame; received from interface Ethernet1/2;and try to send to interface
Ethernet1/3, with following frame head :
00 e0 fc 3a 5f 07 00 0f e2 00 00 21 08 00
Eth
1/1
Eth1/
2 Eth1
/3 Eth1/3
Router A
Router CRouter B
208