Virtual Private Routed Network Services
7750 SR OS Services Guide Page 1199
type
Syntax type [hub |subscriber-split-horizon]
no type
Context config>service>vprn>
Description This command designates the type of VPRN instance being configured for hub and spoke topologies.
Use the no form to reset to the default of a fully meshed VPRN.
Default no type
Parameters hub — Specifies a hub VPRN which allows all traffic from the hub SAPs to be routed to the
destination directly, while all traffic from spoke VPRNs or network interfaces can only be routed
to a hub SAP.
subscriber-split-horizon — Controls the flow of traffic for wholesale subscriber applications.
vrf-export
Syntax vrf-export policy [policy...]
no vrf-export
Context config>service>vprn
Description This command specifies the export policies to control routes exported from the local VPN routing/
forwarding (VRF) to other VRFs on the same or remote PE routers (via MP-BGP).
The no form of the command removes all route policy names from the export list.
Default None — No routes are exported from the VRF by default.
Parameters policy — The route policy statement name.
vrf-import
Syntax vrf-import policy [policy...]
no vrf-import
Context config>service>vprn
Description This command sets the import policies to control routes imported to the local VPN routing/
forwarding (VRF) from other VRFs on the same or remote PE routers (via MP-BGP). BGP-VPN
routes imported with a vrf-import policy will use the BGP preference value of 170 when imported
from remote PE routers, or retain the protocol preference value of the exported route when imported
from other VRFs on the same router, unless the preference is changed by the policy.
The no form of the command removes all route policy names from the import list
Default None — No routes are accepted into the VRF by default.
Parameters policy — The route policy statement name.
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