Modify exit overflow interval, Specifying types of ospf syslog messages to log – Brocade Virtual ADX Switch and Router Guide (Supporting ADX v03.1.00) User Manual

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Brocade Virtual ADX Switch and Router Guide

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Configuring OSPF

6

NOTE

The command no rfc1583-compatibility is valid on the Virtual ADX device only when it is running the
Layer 3 router image.

Modify exit overflow interval

If a database overflow condition occurs on a router, the router eliminates the condition by removing
entries that originated on the router. The exit overflow interval allows you to set how often a Layer 3
Switch checks to see if the overflow condition has been eliminated. The default value is 0. The
range is 0 – 86400 seconds (24 hours). If the configured value of the database overflow interval is
zero, then the router never leaves the database overflow condition.

To modify the exit overflow interval to 60 seconds, enter the following command.

Virtual ADX(config-ospf-router)# database-overflow-interval 60

Syntax: database-overflow-interval value

The value can be from 0 – 86400 seconds. The default is 0 seconds.

Specifying types of OSPF Syslog messages to log

You can specify which kinds of OSPF-related Syslog messages are logged. In configurations with a
large amount of OSPF activity, this can result in the Brocade device’s Syslog buffer and the Syslog
server filling up with OSPF messages.

By default, the only OSPF messages that are logged are those indicating possible system errors. If
you want other kinds of OSPF messages to be logged, you can configure the Brocade device to log
them.

For example, to specify that all OSPF-related Syslog messages be logged, enter the following
commands.

Virtual ADX(config)# router ospf

Virtual ADX(config-ospf-router)# log all

Syntax: [no] log all | adjacency | bad_packet [checksum] | database | memory | retransmit

The log command has the following options.

The all option causes all OSPF-related Syslog messages to be logged. If you later disable this option
with the no log all command, the OSPF logging options return to their default settings.

The adjacency option logs essential OSPF neighbor state changes, especially on error cases. This
option is disabled by default.

The bad_packet checksum option logs all OSPF packets that have checksum errors. This option is
enabled by default.

The bad_packet option logs all other bad OSPF packets. This option is disabled by default.

The database option logs OSPF LSA-related information. This option is disabled by default.

The memory option logs abnormal OSPF memory usage. This option is enabled by default.

The retransmit option logs OSPF retransmission activities. This option is disabled by default.

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