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Using the Technician Interface to Configure and Run Packet Capture

308656-14.00 Rev 00

B-57

An example of a hexadecimal display of a HSSI frame follows:

Pkt# 7 04/21/98 09:17:53.957 HPTP 52 Rx

00000000: 01 80 c2 00 00 00 00 00 a3 00 00 0c 00 26 42 42

00000010: 03 00 00 00 00 00 80 00 00 00 a3 00 00 0c 00 00

00000020: 00 00 80 00 00 00 a3 00 00 0c 80 01 00 00 14 00

00000030: 02 00 0f 00 6b 0d 00 00 00 00 00 00 00 00 00 00

ISDN

For each of the protocols supported over ISDN, the ISDN B channel works the

same way as the previously described serial media (see “Protocols Supported by

Synchronous, T1, E1, and MCT1 Media” on page B-52).

The ISDN D channel does not have a special data link offset. If you configure a

data link filter, set the offset to 0. The data link filter works the same way that the

MAC filter works.

An example of a hexadecimal display of an ISDN frame follows:

Pkt# 1 11/02/98 16:04:06.151 LAPD 26 Tx

00000000: 00 ad 00 00 08 01 01 05 a1 04 02 88 90 18 01 83

00000010: 70 08 80 32 32 34 30 33 38 37

Interpreting a Packet Capture Instance Number

When you create an instance of Packet Capture, you refer to the MIB to get the

numeric identifier, called a line number, of the Data Path channel. You then copy

the line number when creating the Packet Capture instance. The instructions are

provided in “Creating an Instance of Packet Capture

” on page B-7.

Site Manager automatically creates the line numbers when you use it to create a

configuration file. A line number is a 10-digit, decimal number that is unique for

each Data Path channel in a router.

Table B-3

indicates the structure of a line number or Packet Capture instance

number. The top row in the table is for the most significant digit, and the bottom

row is for the least significant digit.

1 2 ... 246 247 248 249 250 251 252 253 254 255 256 ... 267 268

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