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Trace 3.9b. Browsing the system subtree (ASN.1 and Hexadecimal decode)
Sniffer Network Analyzer data 10-Nov at 10:42:04 file ASAN_SYS.ENC Pg 1 ------------------------------ Frame 110 ------------------------------ SNMP: 1.1 SEQUENCE [of], Length=235 SNMP: 2.1 INTEGER, Length=1, Value = 0 SNMP: 2.2 OCTET STRING, Length=7, Value = boulder SNMP: 2.3 Context-Specific Constructed [2], Length=220 SNMP: 3.1 INTEGER, Length=1, Value = 0 SNMP: 3.2 INTEGER, Length=1, Value = 0 SNMP: 3.3 INTEGER, Length=1, Value = 0 SNMP: 3.4 SEQUENCE [of], Length=208 SNMP: 4.1 SEQUENCE [of], Length=16 SNMP: 5.1 OBJECT IDENTIFIER, Length=8, Value = {1.3.6.1.2.1.1.3.0} SNMP: 5.2 Application Primitive [3], Length=4, Data = <0FB68C92> SNMP: 4.2 SEQUENCE [of], Length=74 SNMP: 5.1 OBJECT IDENTIFIER, Length=8, Value = {1.3.6.1.2.1.1.1.0} SNMP: 5.2 OCTET STRING, Length=62, Value = Portable I80386 C Gateway XXX.XXX.XXXX.XXX ... SNMP: 4.3 SEQUENCE [of], Length=21 SNMP: 5.1 OBJECT IDENTIFIER, Length=8,Value={1.3.6.1.2.1.1.2.0} SNMP: 5.2 OBJECT IDENTIFIER, Length=9,Value={1.3.6.1.4.1.1.1.1.41} SNMP: 4.4 SEQUENCE [of], Length=16 SNMP: 5.1 OBJECT IDENTIFIER, Length=8,Value={1.3.6.1.2.1.1.3.0} SNMP: 5.2 Application Primitive [3], Length=4, Data = <0FB68C92> SNMP: 4.5 SEQUENCE [of], Length=12 SNMP: 5.1 OBJECT IDENTIFIER, Length=8, Value={1.3.6.1.2.1.1.4.0} SNMP: 5.2 OCTET STRING, Length=0, Value = SNMP: 4.6 SEQUENCE [of], Length=28 SNMP: 5.1 OBJECT IDENTIFIER, Length=8, Value={1.3.6.1.2.1.1.5.0} SNMP: 5.2 OCTET STRING, Length=16, Value=XXX.XXX.XXXX.XXX SNMP: 4.7 SEQUENCE [of], Length=12 SNMP: 5.1 OBJECT IDENTIFIER, Length=8, Value={1.3.6.1.2.1.1.6.0} SNMP: 5.2 OCTET STRING, Length=0, Value = SNMP: 4.8 SEQUENCE [of], Length=13 SNMP: 5.1 OBJECT IDENTIFIER, Length=8, Value = {1.3.6.1.2.1.1.7.0} SNMP: 5.2 INTEGER, Length=1, Value = 72 SNMP: ADDR HEX ASCII 0000 08 00 20 09 00 C8 AA 00 04 00 44 86 08 00 45 00 .. .......D...E. 0010 01 0A 81 20 00 00 3B 11 73 77 84 A3 01 01 84 A3 ... ..;.sw...... 0020 80 04 00 A1 0D 20 00 F6 C6 62 30 81 EB 02 01 00 ..... ...b0..... 0030 04 07 XX XX XX XX XX XX XX A2 81 DC 02 01 00 02 ..XXXXXXX ....... 0040 01 00 02 01 00 30 81 D0 30 10 06 08 2B 06 01 02 .....0..0...+... 0050 01 01 03 00 43 04 0F B6 8C 92 30 4A 06 08 2B 06 ....C.....0J..+. 0060 01 02 01 01 01 00 04 3E 50 6F 72 74 61 62 6C 65 .......>Portable 0070 20 49 38 30 33 38 36 20 43 20 47 61 74 65 77 61 I80386 C Gatewa 0080 79 20 XX XX XX XX XX XX XX XX XX XX XX XX XX XX y XXX.XXX.XXXX.X 0090 XX XX 20 53 2F 4E 20 33 33 33 20 56 31 32 2E 30 XX S/N 333 V12.0 00A0 20 20 5B 20 20 5D 30 15 06 08 2B 06 01 02 01 01 [ ]0...+..... 00B0 02 00 06 09 2B 06 01 04 01 01 01 01 29 30 10 06 ....+.......)0.. 00C0 08 2B 06 01 02 01 01 03 00 43 04 0F B6 8C 92 30 .+.......C.....0 00D0 0C 06 08 2B 06 01 02 01 01 04 00 04 00 30 1C 06 ...+.........0.. 00E0 08 2B 06 01 02 01 01 05 00 04 10 XX XX XX XX XX .+.........XXX.X 00F0 XX XX XX XX XX XX XX XX XX XX XX 30 0C 06 08 2B XX.XXXX.XXX0...+ 0100 06 01 02 01 01 06 00 04 00 30 0D 06 08 2B 06 01 .........0...+.. 0110 02 01 01 07 00 02 01 48 .......H
We have now tackled two of the three technical subjects in our tour of the Internet network management framework: the SMI and the MIBs. The next chapter studies SNMP, which provides the communication mechanism for network management functions.
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