Virtual Private Routed Network Services
7210 SAS M Services Guide Page 599
Default export-limit 5
Parameters num-routes — Specifies maximum number of routes that can be exported.
Values 0 — 1000
maximum-routes
Syntax maximum-routes number [log-only] [threshold percentage]
no maximum-routes
Context config>service>vprn
Description This command specifies the maximum number of remote routes that can be held within a VPN
routing/ forwarding (VRF) context. Note that local, host, static and aggregate routes are not counted.
Note that the VPRN service ID must be in a shutdown state in order to modify maximum-routes
command parameters.
If the log-only parameter is not specified and the maximum-routes value is set below the existing
number of routes in a VRF, then the offending RIP peer (if applicable) is brought down (but the
VPRN instance remains up). BGP peering will remain up but the exceeding BGP routes will not be
added to the VRF.
The maximum route threshold can dynamically change to increase the number of supported routes
even when the maximum has already been reached. Protocols will resubmit their routes which were
initially rejected.
The no form of the command disables any limit on the number of routes within a VRF context. Issue
the no form of the command only when the VPRN instance is shutdown.
Default 0 or disabled — The threshold will not be raised.
Parameters number — An integer that specifies the maximum number of routes to be held in a VRF context.
Values 1 — 2147483647
log-only — This parameter specifies that if the maximum limit is reached, only log the event. log-
only does not disable the learning of new routes.
threshold percentage — The percentage at which a warning log message and SNMP trap should be
set. There are two warnings, the first is a mid-level warning at the threshold value set and the
second is a high-level warning at level between the maximum number of routes and the mid-level
rate ( [mid+max] / 2 ).
Values 0 — 100
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