Command Reference Guide

3Com Router 5000 Family and Router 6000 Family debugging dlsw reachable-cache 23
Command Reference
debugging dlsw reachable-cache
Purpose Use the debugging dlsw reachable-cache command to enable DLSw
reachability debugging.
Use the
undo debugging dlsw reachable-cache command to disable DLSw
reachability debugging.
Syntax debugging dlsw reachable-cache
undo debugging dlsw reachable-cache
Parameters None
Example Enable DLSw reachability debugging.
<3Com > debugging dlsw reachable-cache
DLSW_RCH:Rcv 0000.1738.6dfd from:1.1.1.1 NEW_ENTRY
DLSW_RCH: RCH_NOT_FOUND ->RCH_WAITING
DLSW_RCH:REQ_DMAC: 0020.357b.e065 from:1.1.1.1 status: FOUND
DLSW_RCH:NO SPECIFIC TARGET TO SEND ICANREACH_ex.DROP
DLSW_RCH:0000.1738.6dfd RCH_WAITING -> RCH_FOUND
DLSW_RCH:Rcv 0000.1738.6dfd from:1.1.1.1
DLSW_RCH:FOUND
DLSW_RCH:REQ_DMAC: 0020.357b.e065 from:1.1.1.1 status: FOUND
DLSW_RCH:SEND ICANREACH_ex to 1.1.1.1
Table 4 Description on the fields of debugging dlsw reachable-cache
Filed Description
Rcv 0000.1738.6dfd
from:1.1.1.1
NEW_ENTRY
The router receives a frame with the source MAC address of
0000.1738.6d6f from a peer with the IP address of 1.1.1.1, which
indicates that the MAC address can be reached through 1.1.1.1.
This MAC address is recorded in the remote reachability information
table.
RCH_NOT_FOUND
->RCH_WAITING
The remote reachability information status changes from
RCH_NOT_FOUND to RCH_WAITING.
REQ_DMAC:
0020.357b.e065
from:1.1.1.1 status:
FOUND
The MAC address of 0020.357b.e065 is found in the local
reachability information table.
NO SPECIFIC TARGET
TO SEND
ICANREACH_ex.DROP
Since the status of the remote reachability information for
0000.1738.6d6f changes to waiting, the router does not send any
ICANREACH-ex frames to the remote peer.
0000.1738.6dfd
RCH_WAITING ->
RCH_FOUND
The remote reachability information status changes from
RCH_WAITING to RCH_FOUND.
Rcv 0000.1738.6dfd
from:1.1.1.1 FOUND
The router receives a frame with the source MAC address of
0000.1738.6d6f from the peer with the IP address of 1.1.1.1, and
saves the reachability information. The reachability status changes to
FOUND.
SEND ICANREACH_ex to
1.1.1.1
Since the status of the remote reachability information for
0000.1738.6d6f is FOUND, the router sends an ICANREACH-ex
frame to the remote peer.