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Configuring DLSw Services

C-10

304233-A Rev. 00

Reviewing the Network Log

This section describes the debug event messages that Router B logs when it

establishes a connection with Router A (refer to Figure C-1

on page C-9). Each

message begins with a number that you can use to reference the network activity

shown in Figure C-1.

The initial connection sequence begins when the terminal sends a Test (P) packet

to Router B. Router B sends a CANUREACH to Router A; Router A forwards a

Test (P) frame to the host.

# 4: 04/25/95 22:43:00 DEBUG SLOT 1 DLS Event Code: 17

LLC test frame received

The host computer returns a Test (F) frame, informing Router A that it is

available. Router A then sends the ICANREACH frame to Router B. Router B

sends a Test (F) frame to the terminal.

# 8: 04/25/95 22:43:00 DEBUG SLOT 1 DLS Event Code: 18

SSP ICANREACH in LLC frame received connection = 30927f70

Router B returns a REACHACK acknowledgment frame to Router A. The

terminal then sends a NULL-XID(P) frame to Router B. Router B forwards an

LLC XIDFRAME-NULL to Router A. Router A sends a NULL-XID(P) to the

host.

# 9: 04/25/95 22:43:01 DEBUG SLOT 1 DLS Event Code: 17

LLC XID frame received

The host returns a NULL-XID (F) frame to Router A; Router A forwards an

XIDFRAME-NULL packet to Router B. Router B sends a NULL-XID(F) to the

terminal.

# 10: 04/25/95 22:43:01 DEBUG SLOT 1 DLS Event Code: 45

SSP XID frame rcvd in LLC, conn, state, flag: 30927f70, 4, 201

The terminal sends a NULL-T2 (P) frame to Router B, and Router B generates

and sends an XIDFRAME-T2 to Router A. Router A sends an XID-T2 (P) to the

host.

# 11: 04/25/95 22:43:01 DEBUG SLOT 1 DLS Event Code: 17

LLC XID frame received

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