[Bug 221445] The absence of the accept_rtadv option causes an error "ping6: sendmsg: No buffer space available"

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221445

Zhenlei Huang <zlei.huang at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |zlei.huang at gmail.com

--- Comment #10 from Zhenlei Huang <zlei.huang at gmail.com> ---
I managed to reproduce this on a FreeBSD 12.2 box and CentOS 8 box. For short,
the OVH guides are broken. They works on Linux but not on FreeBSD 11 and
FreeBSD 12.

A workaround to fix it. Register a static NDP entry,

# ndp -n -s IPV6_GATEWAY GATEWAY_LINKLAYER_ADDRESS

to make it permanent,

# sysrc static_ndp_pairs=gw
# sysrc static_ndp_gw="IPV6_GATEWAY GATEWAY_LINKLAYER_ADDRESS"

CC Andrey V. Elsukov to review this workaround.

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