Netgear M4300-52G-PoE+ (GSM4352PA) - 48x1G PoE+ Stackable Managed Switch with 2x10GBASE-T and 2xSFP+ (550W PSU) Software Guide

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Routing Commands 
727
 M4200 and M4300 Series ProSAFE Managed Switches
router mode is useful when adding or removing a router from a network or to avoid transient 
routes when a router reloads. 
You can administratively force OSPF into stub router mode. OSPF remains in stub router 
mode until you take OSPF out of stub router mode. Alternatively, you can configure OSPF to 
start in stub router mode for a configurable period of time after the router boots up.
If you set the summary LSA metric to 16,777,215, other routers will skip the summary LSA 
when they compute routes.
If you have configured the router to enter stub router mode on startup (max-metric router-lsa 
on-startup), and then enter max-metric router lsa, there is no change. If OSPF is 
administratively in stub router mode (the max-metric router-lsa command has been given), 
and you configure OSPF to enter stub router mode on startup (max-metric router-lsa 
on-startup), OSPF exits stub router mode (assuming the startup period has expired) and the 
configuration is updated. 
no max-metric router-lsa
Use this command in OSPFv2 Router Configuration mode to disable stub router mode. The 
command clears either type of stub router mode (always or on-startup) and resets the 
summary-lsa
 option. If OSPF is configured to enter global configuration mode on startup, 
and during normal operation you want to immediately place OSPF in stub router mode, issue 
the no max-metric router-lsa on-startup command. The no max-metric 
router-lsa summary-lsa
 command causes OSPF to send summary LSAs with metrics 
computed using normal procedures defined in RFC 2328.
Default
OSPF is not in stub router mode by default
Format
max-metric router-lsa [on-startup seconds] [summary-lsa {metric}]
Mode
OSPFv2 Router Configuration
Parameter
Description
on-startup
(Optional) OSPF starts in stub router mode after a reboot.
seconds
(Required if on-startup) The number of seconds that OSPF remains in stub router mode after a 
reboot. The range is 5 to 86,400 seconds. There is no default value.
summary-lsa
(Optional) Set the metric in type 3 and type 4 summary LSAs to LsInfinity (0xFFFFFF).
metric
(Optional) Metric to send in summary LSAs when in stub router mode. The range is 1 to 16,777,215. 
The default is 16,711,680 (0xFF0000).
Format
no max-metric router-lsa [on-startup] [summary-lsa]
Mode
OSPFv2 Router Configuration