Enterasys Networks X-Pedition XSR CLI - Manual (Page 169)

OSPF Commands
XSR CLI Reference Guide 5-93
Example
This example sets the administrative distance for OSPF external routes to 65. Note that you can do
so only if both intra and inter OSPF distances are less than 65, otherwise you will not be permitted
to change the value.
XSR(config)#router ospf 1
XSR(config-router)#distance ospf ext 65