[Bug 240818] igb(4) vlanhwfilter feature generate link UP/DOWN for each new vlan created

2020-05-27 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240818

--- Comment #15 from martin.m...@orange.fr ---
(In reply to martin.mato from comment #14)
Well, i compiled successfully a new kernel, and it is working perfectly

because the working generated if_em.c file has the same content than the
revision pre-r360902, right?

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[Bug 240818] igb(4) vlanhwfilter feature generate link UP/DOWN for each new vlan created

2020-05-27 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240818

martin.m...@orange.fr changed:

   What|Removed |Added

 CC||martin.m...@orange.fr

--- Comment #14 from martin.m...@orange.fr ---
Thanks to Mr Marek Zarychta  here who has pointed me to this report, i can
share 
that i have similar problems, related to r360902

I have a intel 82574L based network card who  act as a link to my ISP,  who is
gaving me dhcp based authentication through a vlan

after r360902 , the connectivity to my ISP can't be restored  after a reboot or
a power-on until, as Mr Marek Zarychta pointed i "Bring the NIC down and up "
by the ifconfig(8) command and NOT by unplugging /replugging the ethernet cable
back.


I'll open a proprer bug report if  needed to; meanwhile, i'll test the patch
provided, in case of some interesting results 

Regards.

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Re: On Netgraph

2020-05-27 Thread Eugene Grosbein
27.05.2020 15:06, Tom Marcoen wrote:

> Hey all,
> 
> I'm new to this mailing list and also quite new to FreeBSD (huray, welcome
> to me!) so bare with me, please.
> 
> I'm reading up on Netgraph on how I can integrate it with FreeBSD jails and
> I was looking at some of the examples provided in
> /usr/share/examples/netgraph and now have the following question.
> The udp.tunnel example shows an iface point-to-point connection but it is
> unencrypted. Of course I could encrypt it with an IPsec tunnel on the host
> or tunnel it through SSH, but I was wondering whether there exists a nice
> Netgraph solution, e.g. a node with two hooks, receiving unencrypted
> traffic on the inside hook and sending out encrypted traffic on the outside
> hook.

There is ng_mppc(4) netgraph node capable to perform relatively weak MPPE 
encryption
(and/or compression) but it is designed to work with ng_ppp(4) node 
encapsulating IP packets into PPP frames.
I doubt it's very efficient for inter-jail traffic.

Why do you need encryption for inter-jails traffic in first place?
Encryption is needed for traffic passing untrusted channels where data 
interception is possible
but inter-jail traffic does not leave the kernel at all until it hits 
destination jail.

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On Netgraph

2020-05-27 Thread Tom Marcoen
Hey all,

I'm new to this mailing list and also quite new to FreeBSD (huray, welcome
to me!) so bare with me, please.

I'm reading up on Netgraph on how I can integrate it with FreeBSD jails and
I was looking at some of the examples provided in
/usr/share/examples/netgraph and now have the following question.
The udp.tunnel example shows an iface point-to-point connection but it is
unencrypted. Of course I could encrypt it with an IPsec tunnel on the host
or tunnel it through SSH, but I was wondering whether there exists a nice
Netgraph solution, e.g. a node with two hooks, receiving unencrypted
traffic on the inside hook and sending out encrypted traffic on the outside
hook.

Regards,
Tom
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