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Diagnostic Parameters and Commands
Breaking down the raw data
MAX Administration Guide
B-63
RECV-3:: 20 octets @ 2C0A04
[0000]: ff 03 80 21 01 e3 00 10 02 06 00 2d 0f 00 03 06
[0010]: 01 01 01 01
BCP Configure Request:
RECV-3:: 8 octets @ 2C101C
[0000]: ff 03 80 31 01 55 00 04
IPCP Configure Request—IP address of 2.2.2.2:
XMIT-3:: 14 octets @ 2C2E94
[0000]: ff 03 80 21 01 01 00 0a 03 06 02 02 02 02
IPCP Configure Reject—Van Jacobsen Header Compression. The remote device should send
another IPCP Configure Request and remove the request to perform VJ Header Compression:
XMIT-3:: 14 octets @ 2C2E94
[0000]: ff 03 80 21 04 e3 00 0a 02 06 00 2d 0f 00
BCP - Protocol Reject. The local device is not configured to support bridging:
XMIT-3:: 8 octets @ 2C2E94
[0000]: ff 03 80 31 08 55 00 04
IPCP Configure Acknowledgment:
RECV-3:: 14 octets @ 2C1634
[0000]: ff 03 80 21 02 01 00 0a 03 06 01 01 01 01
IPCP Configure Request—VJ Header Compression is not requested this time:
RECV-3:: 14 octets @ 2C1C4C
[0000]: ff 03 80 21 01 e4 00 0a 03 06 02 02 02 02
IPCP Configure Acknowledgment:
XMIT-3:: 14 octets @ 2C2E94
[0000]: ff 03 80 21 02 e4 00 0a 03 06 01 01 01 01
At this point, a PPP connection has been successfully negotiated. The caller was successfully
authenticated by means of CHAP, and IPCP was the only successfully configured NCP. IPX,
AppleTalk, and bridging will not be supported during this session.
Following are two packets used in determining link quality:
LCP Echo Request packet:
RECV-3:: 16 octets @ 2BEB8C
[0000]: ff 03 c0 21 09 01 00 0c 4e 36 c9 05 00 00 00 00
LCP Echo Response:
XMIT-3:: 16 octets @ 2C2E94
[0000]: ff 03 c0 21 0a 01 00 0c 00 00 00 00 00 00 00 00
Example of MP+ call negotiation
LCP Configuration Request—MP+, MRU of 1524, MRRU of 1524, End Point
Discriminator using the device’s MAC address: