RFC 1158 MIB II May 1990 Please refer to the latest edition of the "IAB Official Protocol Standards" RFC for current information on the state and status of standard Internet protocols. Distribution of this memo is unlimited. Table of Contents 1. Status of this Memo .................................. 1 2. Introduction ......................................... 3 3. Changes from MIB-I ................................... 4 3.1 Deprecated Objects .................................. 4 3.2 Display Strings ..................................... 5 3.3 The System Group .................................... 5 3.4 The Interfaces Group ................................ 5 3.5 The Address Translation Group ....................... 6 3.6 The IP Group ........................................ 7 3.7 The ICMP Group ...................................... 7 3.8 The TCP Group ....................................... 7 3.9 The UDP Group ....................................... 7 3.10 The EGP Group ...................................... 8 3.11 The Transmission Group ............................. 8 3.12 The SNMP Group ..................................... 8 4. Objects .............................................. 8 4.1 Object Groups ....................................... 9 4.2 Format of Definitions ............................... 10 5. Object Definitions ................................... 10 5.1 The System Group .................................... 11 5.2 The Interfaces Group ................................ 14 5.2.1 The Interfaces table .............................. 15 5.3 The Address Translation Group ....................... 27 5.4 The IP Group ........................................ 30 5.4.1 The IP Address table .............................. 38 5.4.2 The IP Routing table .............................. 41 5.4.3 The IP Address Translation table .................. 48 5.5 The ICMP Group ...................................... 51 5.6 The TCP Group ....................................... 61 5.6.1 The TCP Connection table .......................... 66 5.6.2 Additional TCP Objects ............................ 69 5.7 The UDP Group ....................................... 70 5.7.1 The UDP Listener table ............................ 72 5.8 The EGP Group ....................................... 73 5.8.1 The EGP Neighbor table ............................ 75 5.8.2 Additional EGP variables .......................... 83 5.9 The Transmission Group .............................. 83 5.10 The SNMP Group ..................................... 83 6. Definitions .......................................... 95 IETF SNMP Working Group