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Details of the hostTable are shown in Trace 7.10b. Note that the GetRequest (Frame 1), which was issued by the network management application, asks for the values of all objects within the hostTable, plus the value of the sysUpTime object {1.3.6.1.2.1.1.3.0}. The GetNext response (Frame 2) returns the values of these objects (note that in the first ten object names in the following table, the prefix host has been deleted for brevity):
Address | Creation Order | Index | InPkt | Out Pkts | In Octets | Out Octets | Out Errors | Out Broadcast Pkt | Out Multicast Pkts | sys Up Time |
---|---|---|---|---|---|---|---|---|---|---|
F1A1E01F | 12 | 20480 | 493 | 710 | 192789 | 67601 | 0 | 40 | 0 | 798171 |
Note from Trace 7.10b that the index given for each object (20480.6.126.241.XXX.YYY.48.31) is selected by the Console and includes the IP address of the workstation that initiated the request (XXX.YYY.48.31). Also note that the value of the sysUpTime object provides a timestamp for the data in this entry.
Trace 7.10b. RMON hostTable Retrieval
Sniffer Network Analyzer data from 25-Feb at 17:24:44, file TOPNIPCN.ENC, Page 1 ------------------------------- Frame 1 ------------------------------- SNMP: ----- Simple Network Management Protocol (Version 1) ----- SNMP: SNMP: Version = 0 SNMP: Community = public SNMP: Command = Get request SNMP: Request ID = 1133668601 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.1.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.1.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.2.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.2.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.3.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.3.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.4.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.4.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.5.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.5.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.6.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.6.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.7.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.7.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.8.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.8.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.9.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.9.20480.6.126. ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.10.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.10.20480.6.12 ... SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.1.3.0} (sysUpTime.0) SNMP: Value = NULL SNMP: ------------------------------- Frame 2 ------------------------------- SNMP: ----- Simple Network Management Protocol (Version 1) ----- SNMP: SNMP: Version = 0 SNMP: Community = public SNMP: Command = Get response SNMP: Request ID = 1133668601 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.1.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.1.20480.6.126. ... SNMP: Value = ~<F1A1>E0<1F> SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.2.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.2.20480.6.126. ... SNMP: Value = 12 SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.3.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.3.20480.6.126. ... SNMP: Value = 20480 SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.4.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.4.20480.6.126. ... SNMP: Value = 493 (counter) SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.5.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.5.20480.6.126. ... SNMP: Value = 710 (counter) SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.6.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.6.20480.6.126. ... SNMP: Value = 192789 (counter) SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.7.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.7.20480.6.126. ... SNMP: Value = 67601 (counter) SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.8.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.8.20480.6.126. ... SNMP: Value = 0 (counter) SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.9.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.9.20480.6.126. ... SNMP: Value = 40 (counter) SNMP: SNMP: Object = {1.3.6.1.2.1.16.4.2.1.10.20480.6.126.241.XXX.YYY.48.31} (rmon.4.2.1.10.20480.6.12 ... SNMP: Value = 0 (counter) SNMP: SNMP: Object = {1.3.6.1.2.1.1.3.0} (sysUpTime.0) SNMP: Value = 798171 hundredths of a second SNMP:
Frames 332 retrieve the values of the matrixSDTable, with the retrieval of the first row illustrated in Frames 34, the second row in Frames 56, the third row in Frames 78, and so on, as shown in Trace 7.10c. (As in the previous example, the term matrix is deleted from each of the first six object names shown in the column headings for brevity). Notice the change in the values of the sysUpTime object at each table entry:
SDSourceAddress | SDDestAddress | SDIndex | SDPkts | SDOctets | SDErrors | sysUpTime |
---|---|---|---|---|---|---|
F1A1E01F | F1A1E0201 | 20480 | 27 | 2361 | 0 | 798172 |
F1A1E01F | F1A1E0202 | 20480 | 24 | 2112 | 0 | 798173 |
F1A1E01F | F1A1E06 | 20480 | 1 | 94 | 0 | 798174 |
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