(PM) Another PPP negotiation sequence

MikeK@NetDotCom ("MikeK@NetDotCom")
Mon, 19 Apr 1999 11:42:06 -0400

I am having problems getting a Cisco 1720 with 2 BRI's to authenticate to a
PM3. Here is the ppp decoded output. I would appreciate some assistance from
the more knowledgeable. The PM3 is configured for PAP only and has been in
production for over 2 years including authing a cisco 700 series. The
request never gets to the radius server.

TIA
Mike K

Dring: Decoder Ring for Livingston Product PPP traces
-----------------------------------------------------
Received LCP_CONFIGURE_REQUEST on port S21 of 22 bytes containing:
01 B9 00 1A 05 06 56 9D 0D 34 11 04 05 F4 13 0C 01 73 70 70 73 63 69 73 63
6F
Packet Info: Code: 0x01, ID: 0xB9, 26 bytes.
Magic-Number [0x05], length: (6 bytes), [0x569D0D34]
Multilink-MRRU [0x11], length: (4 bytes), [0x05F4]
Max-Receive-Reconstructed-Unit (MRRU): 1524 bytes.
Multilink-Endpoint-Discriminator [0x13], length: (12 bytes),
[0x0173707073636973636F]
Class [0x01]: Locally Assigned Address 115.112.112.115

Sending LCP_CONFIGURE_REQUEST to port S21 of 29 bytes containing:
01 0C 00 1D 05 06 F3 8E B2 FF 03 04 C0 23 11 04 06 1C 12
02 13 09 03 00 C0 05 04 05 60 Packet Info: Code: 0x01, ID: 0x0C, 29 bytes.
Magic-Number [0x05], length: (6 bytes), [0xF38EB2FF]
Authentication-Protocol [0x03], length: (4 bytes), Password Authentication
Protocol [0xC023]
Multilink-MRRU [0x11], length: (4 bytes), [0x061C]
Max-Receive-Reconstructed-Unit (MRRU): 1564 bytes.
Multilink-Short-Sequence-Number-Header [0x12], length: (2 bytes)
Multilink-Endpoint-Discriminator [0x13], length: (9 bytes),
[0x0300C005040560]
Class [0x03]: IEEE 802.1 MAC Address 00 C0 05 04 05 60

Sending LCP_CONFIGURE_ACK to port S21 of 26 bytes containing:
02 B9 00 1A 05 06 56 9D 0D 34 11 04 05 F4 13 0C 01 73 70 70 73 63 69 73 63
6F
Packet Info: Code: 0x02, ID: 0xB9, 26 bytes.
Magic-Number [0x05], length: (6 bytes), [0x569D0D34]
Multilink-MRRU [0x11], length: (4 bytes), [0x05F4]
Max-Receive-Reconstructed-Unit (MRRU): 1524 bytes.
Multilink-Endpoint-Discriminator [0x13], length: (12 bytes),
[0x0173707073636973636F]
Class [0x01]: Locally Assigned Address 115.112.112.115

Received LCP_CONFIGURE_REJECT on port S21 of 2 bytes containing:
04 0C 00 06 12 02 Packet Info: Code: 0x04, ID: 0x0C, 6 bytes.
Multilink-Short-Sequence-Number-Header [0x12], length: (2 bytes)

Sending LCP_CONFIGURE_REQUEST to port S21 of 27 bytes containing:
01 0D 00 1B 05 06 F3 8E B2 FF 03 04 C0 23 11 04 06 1C 13
09 03 00 C0 05 04 05 60 Packet Info: Code: 0x01, ID: 0x0D, 27 bytes.
Magic-Number [0x05], length: (6 bytes), [0xF38EB2FF]
Authentication-Protocol [0x03], length: (4 bytes), Password Authentication
Protocol [0xC023]
Multilink-MRRU [0x11], length: (4 bytes), [0x061C]
Max-Receive-Reconstructed-Unit (MRRU): 1564 bytes.
Multilink-Endpoint-Discriminator [0x13], length: (9 bytes),
[0x0300C005040560]
Class [0x03]: IEEE 802.1 MAC Address 00 C0 05 04 05 60

Received LCP_CONFIGURE_NAK on port S21 of 5 bytes containing:
03 0D 00 09 03 05 C2 23 05 Packet Info: Code: 0x03, ID: 0x0D, 9 bytes.
Authentication-Protocol [0x03], length: (5 bytes), Challenge Handshake
Authentication Protocol [0xC22305]
CHAP using MD5 encryption algorithm

Sending LCP_CONFIGURE_REQUEST to port S21 of 27 bytes containing:
01 0E 00 1B 05 06 F3 8E B2 FF 03 04 C0 23 11 04 06 1C 13
09 03 00 C0 05 04 05 60 Packet Info: Code: 0x01, ID: 0x0E, 27 bytes.
Magic-Number [0x05], length: (6 bytes), [0xF38EB2FF]
Authentication-Protocol [0x03], length: (4 bytes), Password Authentication
Protocol [0xC023]
Multilink-MRRU [0x11], length: (4 bytes), [0x061C]
Max-Receive-Reconstructed-Unit (MRRU): 1564 bytes.
Multilink-Endpoint-Discriminator [0x13], length: (9 bytes),
[0x0300C005040560]
Class [0x03]: IEEE 802.1 MAC Address 00 C0 05 04 05 60

Received LCP_CONFIGURE_NAK on port S21 of 5 bytes containing:
03 0E 00 09 03 05 C2 23 05 Packet Info: Code: 0x03, ID: 0x0E, 9 bytes.
Authentication-Protocol [0x03], length: (5 bytes), Challenge Handshake
Authentication Protocol [0xC22305]
CHAP using MD5 encryption algorithm

Sending LCP_CONFIGURE_REQUEST to port S21 of 27 bytes containing:
01 0F 00 1B 05 06 F3 8E B2 FF 03 04 C0 23 11 04 06 1C 13
09 03 00 C0 05 04 05 60 Packet Info: Code: 0x01, ID: 0x0F, 27 bytes.
Magic-Number [0x05], length: (6 bytes), [0xF38EB2FF]
Authentication-Protocol [0x03], length: (4 bytes), Password Authentication
Protocol [0xC023]
Multilink-MRRU [0x11], length: (4 bytes), [0x061C]
Max-Receive-Reconstructed-Unit (MRRU): 1564 bytes.
Multilink-Endpoint-Discriminator [0x13], length: (9 bytes),
[0x0300C005040560]
Class [0x03]: IEEE 802.1 MAC Address 00 C0 05 04 05 60

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