Appendix B: Control Message Examples

B.1 隧道建立示例 (Tunnel Establishment Example)

LAC → LNS: SCCRQ

Message Type: 1 (SCCRQ)
Protocol Version: 1.0
Framing Capabilities: Async, Sync
Host Name: "lac.example.com"
Assigned Tunnel ID: 100

LNS → LAC: SCCRP

Message Type: 2 (SCCRP)
Protocol Version: 1.0
Framing Capabilities: Async, Sync
Host Name: "lns.example.com"
Assigned Tunnel ID: 200

LAC → LNS: SCCCN

Message Type: 3 (SCCCN)

LAC → LNS: ICRQ

Message Type: 10 (ICRQ)
Assigned Session ID: 150
Call Serial Number: 12345

LNS → LAC: ICRP

Message Type: 11 (ICRP)
Assigned Session ID: 250

LAC → LNS: ICCN

Message Type: 12 (ICCN)
Tx Connect Speed: 115200
Framing Type: Async