Virtual Private Routed Network Services
7750 SR OS Services Guide Page 1089
Default retransmit-interval 5
Parameters seconds — The retransmit interval in seconds expressed as a decimal integer.
Values 1 — 3600
transit-delay
Syntax transit-delay seconds
no transit-delay
Context config>service>vprn>ospf>area>interface
config>service>vprn>ospf>area>virtual-link
Description This command configures the estimated time, in seconds, that it takes to transmit a link state
advertisement (LSA) on the interface or virtual link.
The no form of this command reverts to the default delay time.
Default transit-delay 1
Parameters seconds — The transit delay in seconds expressed as a decimal integer.
Values 0 — 3600
nssa
Syntax [no] nssa
Context config>service>vprn>ospf>area
Description This command creates the context to configure an OSPF Not So Stubby Area (NSSA) and adds/
removes the NSSA designation from the area.
NSSAs are similar to stub areas in that no external routes are imported into the area from other OSPF
areas. The major difference between a stub area and an NSSA is an NSSA has the capability to flood
external routes that it learns throughout its area and via an ABR to the entire OSPF domain.
Existing virtual links of a non-stub or NSSA area will be removed when the designation is changed to
NSSA or stub.
An area can be designated as stub or NSSA but never both at the same time.
By default, an area is not configured as an NSSA area.
The no form of the command removes the NSSA designation and configuration context from the
area.
Default no nssa — The OSPF area is not an NSSA.
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