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Date:      Fri, 21 Jul 2000 19:27:14 +0200
From:      Slawek Zak <zaks@prioris.mini.pw.edu.pl>
To:        freebsd-net@freebsd.org
Subject:   "nd6_lookup: failed" after upgrade to 4.1-RC
Message-ID:  <20000721192714.A75927@prioris.mini.pw.edu.pl>

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I have a tunnel v6 over v4. When I try to connect any host using ipv6
I a flooded with messages saying:

pf39 nd6_lookup: failed to add route for a \
neighbor(3ffe:8010:0007:0002::0001), errno=17

When I manualy delete the route to 3ffe:8010:0007:0002::0001 I get:

pf39 nd6_lookup: failed to lookup \
3ffe:8010:0007:0002::0001 (if = gif0)

In both cases I can communicate just fine, only the syslog hurts.

# netstat -rn
Internet6:
Destination                       Gateway                   Flags
[....]
3ffe:8010:7:2::1                  3ffe:8010:7:2::2          UHL gif0
3ffe:8010:7:2::2                  ::1                       UH lo0

Relevant part of rc.conf:

## IPv6
ifconfig_gif0="inet6 3ffe:8010:7:2::2 3ffe:8010:7:2::1 prefixlen 126"

ipv6_enable=YES
ipv6_network_interfaces="auto"
ipv6_static_routes="gif0"
ipv6_route_gif0="default 3ffe:8010:7:2::1"
ipv6_gateway_enable=NO
ipv6_router_enable=YES
gif_interfaces="gif0"
gifconfig_gif0="213.25.209.39 193.219.28.246"

It all worked with 4.0-STABLE. Thanks for any help.

/S


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