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# overload advertise-high-metric issu

#### Syntax

[ no ] overload advertise-high-metric issu

#### Release Information

Command introduced in JUNOSe Release 9.0.0.

#### Description

Configures IS-IS or OSPF to advertise the maximum link cost on each interface to its neighbors when a unified in-service software upgrade is started, causing neighbors to route around the upgrading router. The no version restores the default behavior, which is to advertise configured link costs.

#### Mode

Router Configuration

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