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Note that Frame 38 reaches the end of the table, indicated by the GetResponse given in Frame 40, which moves to a different group within the OID tree. This final value is the lexicographical next item in the routers MIB, object snmpInPkts, the first object of the SNMP group. This means that the router did not have any item in the Transmission group {mib-2 10} in its MIB View. (These groups were in the routers MIB, however, so access to those groups using the same community name was not possible.)
The UDP table constructed from the data in Trace 4.4.2 is as follows:
udpLocalAddress | udpLocalPort | |
---|---|---|
0.0.0.0 | 69 (TFTP) | |
0.0.0.0 | 161 (SNMP) | |
0.0.0.0 | 520 (Router) | |
Trace 4.4.2. Retrieving tabular data with the GetNextRequest PDU: The udpTable
Sniffer Network Analyzer data 10-Nov at 11:03:58, file UDT.ENC, Pg 1 --------------------------------- Frame 33 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get next request SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3} (sysUpTime) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.1} (udpLocalAddress) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2} (udpLocalPort) SNMP: Value = NULL SNMP: --------------------------------- Frame 34 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get response SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3.0} (sysUpTime.0) SNMP: Value = 263753458 hundredths of a second SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.1.0.0.0.0.69} (udpLocalAddress.0.0.0.0.69) SNMP: Value = [0.0.0.0] SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2.0.0.0.0.69} (udpLocalPort.0.0.0.0.69) SNMP: Value = 69 SNMP: --------------------------------- Frame 35 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get next request SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3} (sysUpTime) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.1.0.0.0.0.69} (udpLocalAddress.0.0.0.0.69) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2.0.0.0.0.69} (udpLocalPort.0.0.0.0.69) SNMP: Value = NULL SNMP: --------------------------------- Frame 36 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get response SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3.0} (sysUpTime.0) SNMP: Value = 263753461 hundredths of a second SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.1.0.0.0.0.161} (udpLocalAddress.0.0.0.0.161) SNMP: Value = [0.0.0.0] SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2.0.0.0.0.161} (udpLocalPort.0.0.0.0.161) SNMP: Value = 161 SNMP: --------------------------------- Frame 37 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get next request SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3} (sysUpTime) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.1.0.0.0.0.161} (udpLocalAddress.0.0.0.0.161) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2.0.0.0.0.161} (udpLocalPort.0.0.0.0.161) SNMP: Value = NULL SNMP: --------------------------------- Frame 38 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get response SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3.0} (sysUpTime.0) SNMP: Value = 263753463 hundredths of a second SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.1.0.0.0.0.520} (udpLocalAddress.0.0.0.0.520) SNMP: Value = [0.0.0.0] SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2.0.0.0.0.520} (udpLocalPort.0.0.0.0.520) SNMP: Value = 520 SNMP: --------------------------------- Frame 39 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get next request SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3} (sysUpTime) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.1.0.0.0.0.520} (udpLocalAddress.0.0.0.0.520) SNMP: Value = NULL SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2.0.0.0.0.520} (udpLocalPort.0.0.0.0.520) SNMP: Value = NULL SNMP: --------------------------------- Frame 40 ------------------------- SNMP: ----- Simple Network Management Protocol ----- SNMP: SNMP: Version = 0 SNMP: Community = Brutus SNMP: Command = Get response SNMP: Request ID = 0 SNMP: Error status = 0 (No error) SNMP: Error index = 0 SNMP: SNMP: Object = {1.3.6.1.2.1.1.3.0} (sysUpTime.0) SNMP: Value = 263753466 hundredths of a second SNMP: SNMP: Object = {1.3.6.1.2.1.7.5.1.2.0.0.0.0.69} (udpLocalPort.0.0.0.0.69) SNMP: Value = 69 SNMP: SNMP: Object = {1.3.6.1.2.1.11.1.0} (snmpInPkts.0) SNMP: Value = 116744 (counter) SNMP:
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