VPRN Service Configuration Commands
Page 842 7210 SAS-X OS Services Guide
spf-wait
Syntax spf-wait max-spf-wait [spf-initial-wait [spf-second-wait]]
no spf-wait
Context config>service>vprn>ospf>timers
Description This command defines the maximum interval between two consecutive SPF calculations in
milliseconds. Timers that determine when to initiate the first, second, and subsequent SPF
calculations after a topology change occurs can be controlled with this command. Subsequent SPF
runs (if required) will occur at exponentially increasing intervals of the spf-second-wait interval. For
example, if the spf-second-wait interval is 1000, then the next SPF will run after 2000 milliseconds,
and then next SPF will run after 4000 milliseconds, etc, until it reaches the spf-wait value. The SPF
interval will stay at the spf-wait value until there are no more SPF runs scheduled in that interval.
After a full interval without any SPF runs, the SPF interval will drop back to spf-initial-wait.
The timer must be entered in increments of 100 milliseconds. Values entered that do not match this
requirement will be rejected.
Use the no form of this command to return to the default.
Default no spf-wait
Parameters max-spf-wait — Specifies the maximum interval in milliseconds between two consecutive SPF
calculations.
Values 1 — 120000
Default 1000
spf-initial-wait — Specifies the initial SPF calculation delay in milliseconds after a topology change.
Values 10 — 100000
Default 1000
spf-second-wait — Specifies the hold time in milliseconds between the first and second SPF
calculation.
Values 10 — 100000
Default 1000
vpn-domain
Syntax vpn-domain [type {0005 | 0105 | 0205 | 8005}] id id
no vpn-domain
Context config>service>vprn>ospf
Description This command specifies type of the extended community attribute exchanged using BGP to carry the
OSPF VPN domain ID. This applies to VPRN instances of OSPF only. An attempt to modify the
value of this object will result in an inconsistent value error when is not a VPRN instance. The
parameters are mandatory and can be entered in either order.
Default no vpn-domain
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