TCP IP Illustrated

The first table in the ip group is the ip address

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Unformatted text preview: e no route could be found. ipReasmTimeout INTEGER Maximum number of seconds that received fragments are held while awaiting reassembly. ipReasmReqds Counter Number of IP fragments received that needed to be reassembled. ipReasmOKs Counter Number of IP datagrams successfully reassembled. ipReasmFails Counter Number of failures by IP reassembly algorithm. ipFragOKs Counter Number of IP datagrams that have been successfully fragmented. ipFragFails Counter Number of IP datagrams that needed to be fragmented but couldn't because the "don't fragment" flag was set. ipFragCreates Counter Number of IP fragments generated by fragmentation. ipRoutingDiscards Counter Number of routing entries chosen to be discarded even though they were valid. Figure 25.21 Simple variables in ip group. The first table in the ip group is the IP address table. It contains one row for each IP address on the system. Each row contains five variables, described in Figure 25.22. IP address table, index = < ipAdEntAddr > Name Datatype R/W Description ipAdEntAddr lpAddress IP address for this row. ipAdEntIf Index INTEGER Corresponding interface number: ifIndex. ipAdEntNetMask lpAddress Subnet mask for this IP address. ipAdEntBcastAddr [0..1] Value of least-significant bit of the IP broadcast address. Normally 1. ipAdEntReasmMaxSize [0..65535] Size of largest IP datagram received on this interface that can be reassembled. Figure 25.22 IP address table: ipAddrTable. We can query the host sun for its entire IP address table: file:///D|/Documents%20and%20Settings/bigini/Doc...omenet2run/tcpip/tcp-ip-illustrated/snmp_sim.htm (19 of 33) [12/09/2001 14.47.40] Chapter 25. SNMP: Simple Network Management Protocol sun % snmpi -a sun dump ipAddrTable ipAdEntAddr.127.0.0.1=127.0.0.1 ipAdEntAddr.140.252.1.29=140.252.1.29 ipAdEntAddr.140.252.13.33=140.252.13.33 loopback interface, lo0 ipAdEntIfIndex.127.0.0.1=3 ipAdEntIfIndex.140.252.1.29=2 SLIP interface, sl0 ipAdEntIfIndex.140.252.13.33=1 Ethernet i...
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This test prep was uploaded on 04/04/2014 for the course ECE EL5373 taught by Professor Guoyang during the Spring '12 term at NYU Poly.

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