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Lines 172-177
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| 172 |
.Va net.inet.ip.forwarding |
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.Va net.inet.ip.forwarding |
| 173 |
.Xr sysctl 8 |
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.Xr sysctl 8 |
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variable to non-zero. |
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variable to non-zero. |
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| 176 |
By default, |
| 177 |
.Nm |
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tunnels may not be nested. |
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This behavior may be modified at runtime by setting the |
| 180 |
.Xr sysctl 8 |
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variable |
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.Va net.link.gre.max_nesting |
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to the desired level of nesting. |
| 175 |
.Sh SEE ALSO |
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.Sh SEE ALSO |
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.Xr gif 4 , |
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.Xr gif 4 , |
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.Xr inet 4 , |
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.Xr inet 4 , |