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Diagnostics and Troubleshooting
6-8
8000-A2-GB26-10
January 1999
The following table provides an overview of the sequence of troubleshooting
procedures for the DSL card. The following sections address potential problems
that may occur in each network segment:
If the Client cannot Ping the
Gateway Router and . . .
Then . . .
The Client cannot reach the SN Refer to Table 6-4, Client-to-Service Node
Segment.
The Client cannot reach the DSLAM Refer to Table 6-5, Service Node-to-DSLAM
Segment.
The Client cannot reach the IPC Refer to Table 6-6, DSLAM-to-IPC Segment.
The Client cannot reach the Gateway
Router
Refer to Table 6-7, IPC-to-Router Segment,
and Table 6-8, Router-to-IPC Segment.
The tables in the following sections, each pertaining to a specific network
segment, provide suggestions for resolving network problems.
Client Cannot Ping the Gateway Router
When the client cannot Ping the gateway router, specific fault-isolation
procedures begin with the first network segment, client-to-service node (SN).
99-16172-01
OO
II
Next Hop
Router
(NHR)
DSLAM
Clients
NMS
WAN
HubSN
SN
ISP
IPC
WAN
Client-to-Service Node
Segment
NMS
ISP
Gateway
Router