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check-zero

Syntax



(check-zero | no-check-zero);

Hierarchy Level



[edit logical-systems logical-system-name protocols rip],
[edit logical-systems logical-system-name protocols rip group group-name neighbor neighbor-name],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols rip],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
rip group group-name neighbor neighbor-name],
[edit protocols rip],
[edit protocols rip group group-name neighbor neighbor-name],
[edit routing-instances routing-instance-name protocols rip],
[edit routing-instances routing-instance-name protocols rip group group-name neighbor neighbor-name]

Release Information

Statement introduced before JUNOS Release 7.4.

Description

Check whether the reserved fields in a RIP packet are zero:

check-zero—Discard version 1 packets that have nonzero values in the reserved fields and version 2 packets that have nonzero values in the fields that must be zero. This default behavior implements the RIP version 1 and version 2 specifications.
no-check-zero—Receive RIP version 1 packets with nonzero values in the reserved fields or RIP version 2 packets with nonzero values in the fields that must be zero. This is in spite of the fact that they are being sent in violation of the specifications in RFC 1058 and RFC 2453.

Default

check-zero

Usage Guidelines

See Accepting Packets Whose Reserved Fields Are Nonzero.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

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