
Configuring IP Services
7-20 117356-A Rev. A
Choosing a Tag Generation Method for an ASE Advertisement
An OSPF AS external route advertisement includes an external route tag field.
This field allows boundary routers in an AS to exchange information about
external routes. (The specific nature of this information is outside the scope of
OSPF.)
By default, Bay Networks boundary routers that generate ASEs set the external
route tag field to 0. For a boundary router running OSPF and BGP, you can
configure OSPF to set the external route tag field with a value in accordance with
RFC 1403, “OSPF/BGP Interaction.”
Note: This parameter applies to boundary routers only.
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