I was using some GRE tunnels on 6.1-RELEASE recently. The odd thing
I'm finding is that the initial creation of the tunnel using
cloned_interfaces and ifconfig_gre0="<blah>" results in the gre0
interface being created without the "running" bit set.
tcpdump on the interface or even "ifconfig gre0 up" starts it.
This is also odd because the "UP" flag is set. Ie:
[1:2:[EMAIL PROTECTED]:~> ifconfig
[...]
gre0: flags=9011<UP,POINTOPOINT,LINK0,MULTICAST> mtu 1476
tunnel inet x.x.x.x --> y.y.y.y
inet6 fe80::240:63ff:fee2:eae9%gre0 prefixlen 64 scopeid 0x5
inet a.a.a.a --> b.b.b.b netmask 0xfffffffe
[1:2:[EMAIL PROTECTED]:~> ifconfig gre0 up
[1:3:[EMAIL PROTECTED]:~> ifconfig
[...]
gre0: flags=9051<UP,POINTOPOINT,RUNNING,LINK0,MULTICAST> mtu 1476
tunnel inet x.x.x.x --> y.y.y.y
inet6 fe80::240:63ff:fee2:eae9%gre0 prefixlen 64 scopeid 0x5
inet a.a.a.a --> b.b.b.b netmask 0xfffffffe
Dave.
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