Enterasys Matrix 2G4072-52 Configuration Manual page 1149

Command Defaults
If route type is not specified, the distance value will be applied to all OSPF routes.
Example
This example shows how to change the default administrative distance for external OSPF routes to
100:
Matrix>Router1(config)#router ospf 1
Matrix>Router1(config-router)#distance ospf external 100
Matrix DFE-Platinum and Diamond Series Configuration Guide
Routing Protocol Configuration Command Set
Configuring OSPF
13-47