lecture 7

Question 1

What is MIB?

Answer 1

The MIB has a tree-like structure in which similar objects are grouped under the same branch of the MIB tree.

Question 2

List some recommended polling guidelines.

Answer 2

1. Restrict polling only those MIB variables necessary for analysis.
2. Analyse and use the data collecte; do not collect data if it is not analysed.
3. Increase polling intervals.

Question 3

Name some non polling mechanism.

Answer 3

SNMP traps, RMOn and syslog.

Question 4

What is syslog server?

Answer 4

Syslog stands for System Logging Protocol and is a standard protocol used to send system log or event messages to a specific server, called a syslog server.

It is primarily used to collect various device logs from several different machines in a central location for monitoring and review.

Question 5

What is RMON?

Answer 5

It is a MIB that provides support for proactive management of LAN traffic.

Question 6

What does RMON track?

Answer 6

• Number of packets.
• Packet sizes.
• Broadcasts.
• Network utilization.
• Errors and conditions, such as Ethernet collisions.
• statistics for hosts.

Question 7

List some RMON features.

Answer 7

• user-defined sample intervals,
• alarms that are based on user-defined thresholds,
• Packet capture based on user-defined filters.