[j-nsp] Advertising a default route from JUNOS
neil.stirling at nortelnetworks.com
Fri Apr 4 14:30:09 EST 2003
I agree with 1 & 2.
But with 3, OSPF only allows you to export policies at the global level
(unlike bgp global, group & neighbour import/export ability).
Need to keep the LSDB's the same.............
neil at lab001# set protocols ospf ?
+ apply-groups Groups from which to inherit configuration data
> area Configure an OSPF area
disable Disable OSPF
+ export Export policy
external-preference Preference of external routes
> graceful-restart Configure graceful restart attributes
> overload Set the overload mode (repel transit traffic)
preference Preference of internal routes
reference-bandwidth Bandwidth for calculating metric defaults
rib-group Routing table group for importing OSPF routes
route-type-community Specify BGP extended community value to encode OSPF
> traceoptions Trace options for OSPF
> traffic-engineering Configure traffic engineering attributes
From: Nicolas Fevrier [mailto:nicolas.fevrier at telindus.fr]
Sent: 04 April 2003 14:13
To: variable at ednet.co.uk; juniper-nsp at puck.nether.net
Subject: RE: [j-nsp] Advertising a default route from JUNOS
a Juniper's KB view note deals with the subject : Note 652
(if you have access to the kb).
Roughly, here are the steps described in the note :
1. create a static route w/0.0.0.0 and discard,
2. create a policy to export that route,
3. include the policy in the neighbor statement for the neighbor to whom you
want this to apply.
# We've got a few M-40's handling our transit which get full internet
# routing tables via BGP. In turn, we want them to advertise a default
# route via OSPF to all the internal OSPF capable routers.
# I was wondering what's the best way to do this on a Juniper.
# Is there an
# equivalent of the "default-information originate" and
# commands or is there a better implementation under Junos?
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