[prev in list] [next in list] [prev in thread] [next in thread]
List: freebsd-net
Subject: Re: ipv4 route with ipv6 local link nexthop ?
From: Benoit Chesneau <benoitc () enki-multimedia ! eu>
Date: 2024-03-13 13:40:54
Message-ID: -FgPlJYuzDmWOAQb0LNtOn8Ac77pBNwN6ZEJUYGtOLPpc5uNI8Y5Q6Um_Dc__CKTl4TO73AxAgSVaOKtUosKgJM9slRZZQKvcPYQtRu1Iv8= () enki-multimedia ! eu
[Download RAW message or body]
[Attachment #2 (text/plain)]
Hi Zhenlei,
Thanks for testing;, I was about to start a vm for it. The workaround works as well. \
I
It seems the same issue when you want to set a route on a n interface that doesn't \
have any IPs.
eg.` route add -net 10.200.1.1/32 -iface vlan200` will not work without adding an \
IPv4 to the interface.
Benoît
On Wednesday, March 13th, 2024 at 14:09, Zhenlei Huang <zlei@FreeBSD.org> wrote:
> > On Mar 13, 2024, at 12:19 PM, Zhenlei Huang <zlei@FreeBSD.org> wrote:
> >
> > > On Mar 13, 2024, at 4:36 AM, Benoit Chesneau <benoitc@enki-multimedia.eu> \
> > > wrote:
> > > On latest freebsd 14.0 release , I am trying to join an ipv4 address over an \
> > > IPV6 local link using the following command :
> > > `route add -net 10.200.1.1/32 -inet6 fe80::9439:36ff:fef0:7cbd%vlan200`
> > >
> > > But I get the following error:
> > >
> > > ```
> > > route add -net 10.200.1.1/32 -inet6 fe80::9439:36ff:fef0:7cbd%vlan200
> > > add net 10.200.1.1: gateway fe80::9439:36ff:fef0:7cbd%vlan200 fib 0: Invalid \
> > > argument
> >
> > I guess that is regression by transition of route(8) to NETLINK.
>
> > Can you please build sbin/route from source without NETLINK and give it another \
> > try ?
> > ```
> > # cd /usr/src/sbin/route
> > # setenv MK_NETLINK_SUPPORT no
> > # make
> > ```
>
> Hi Benoit,
>
> I managed to repeat this bug.
>
> As a workaround, add an IPv4 address to the outgoing interface (vlan200 in your \
> case), ```
> # ifconfig vlan200 inet x.x.x.x/y
> ```
>
> then retry adding the route
> ```
> # route add -net 10.200.1.1/32 -inet6 fe80::9439:36ff:fef0:7cbd%vlan200
> ```
>
> > > ```
> > >
> > > ping6 to `fe80::9439:36ff:fef0:7cbd%vlan200` works. What I am doing wrong? \
> > > Configuration of the interface is the following:
> > > ```
> > > vlan200: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric \
> > > 0 mtu 1500 options=4600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV6,MEXTPG>
> > > ether fe:d9:dd:2d:35:c5
> > > inet6 fe80::fcd9:ddff:fe2d:35c5%vlan200 prefixlen 64 scopeid 0x5
> > > groups: vlan
> > > vlan: 200 vlanproto: 802.1q vlanpcp: 0 parent interface: iavf0
> > > media: Ethernet autoselect (10Gbase-SR <full-duplex>)
> > > status: active nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL
> > >
> > > ```
> > >
> > > Benoît
> >
> > Best regards,
> > Zhenlei
[Attachment #3 (text/html)]
<div style="font-family: Arial, sans-serif; font-size: 14px;">Hi \
Zhenlei, </div><div style="font-family: Arial, sans-serif; font-size: \
14px;"><br></div><div style="font-family: Arial, sans-serif; font-size: 14px;">Thanks \
for testing;, I was about to start a vm for it. The workaround works as well. \
I</div><div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div \
style="font-family: Arial, sans-serif; font-size: 14px;">It seems the same issue when \
you want to set a route on a n interface that doesn't have any IPs. </div><div \
style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div \
style="font-family: Arial, sans-serif; font-size: 14px;">eg.` <span>route add \
-net 10.200.1.1/32 -iface vlan200` will not work without adding an IPv4 to the \
interface.</span></div><div style="font-family: Arial, sans-serif; font-size: \
14px;"><br></div> <div style="font-family: Arial, sans-serif; font-size: 14px;" \
class="protonmail_signature_block"> <div class="protonmail_signature_block-user">
<div style="font-style: normal; font-weight: normal; letter-spacing: normal; \
text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; \
text-decoration: none; font-family: Helvetica; font-size: 12px; color: rgb(0, 0, \
0);">Benoît </div></div> </div>
<div style="font-family: Arial, sans-serif; font-size: 14px;"><br></div><div \
class="protonmail_quote">
On Wednesday, March 13th, 2024 at 14:09, Zhenlei Huang \
<zlei@FreeBSD.org> wrote:<br> <blockquote type="cite" \
class="protonmail_quote"> <br class=""><div><br class=""><blockquote type="cite" \
class=""><div class="">On Mar 13, 2024, at 12:19 PM, Zhenlei Huang <<a \
target="_blank" rel="noreferrer nofollow noopener" href="mailto:zlei@FreeBSD.org" \
class="">zlei@FreeBSD.org</a>> wrote:</div><br \
class="Apple-interchange-newline"><div class=""><div style="caret-color: rgb(0, 0, \
0); font-family: Helvetica; font-size: 13px; font-style: normal; font-variant-caps: \
normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: \
0px; text-transform: none; white-space: normal; word-spacing: 0px; \
-webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br \
class="Apple-interchange-newline"><br class=""><blockquote type="cite" class=""><div \
class="">On Mar 13, 2024, at 4:36 AM, Benoit Chesneau <<a target="_blank" \
rel="noreferrer nofollow noopener" href="mailto:benoitc@enki-multimedia.eu" \
class="">benoitc@enki-multimedia.eu</a>> wrote:</div><br \
class="Apple-interchange-newline"><div class=""><div class="" style="font-family: \
Arial, sans-serif; font-size: 14px;">On latest freebsd 14.0 release , I am trying to \
join an ipv4 address over an IPV6 local link using the following command :</div><div \
class="" style="font-family: Arial, sans-serif; font-size: 14px;"><br \
class=""></div><div class="" style="font-family: Arial, sans-serif; font-size: \
14px;"><span class="">`route add -net 10.200.1.1/32 -inet6 \
fe80::9439:36ff:fef0:7cbd%vlan200`</span><br class=""></div><div class="" \
style="font-family: Arial, sans-serif; font-size: 14px;"><span class=""><br \
class=""></span></div><div class="" style="font-family: Arial, sans-serif; font-size: \
14px;"><span class="">But I get the following error:</span></div><div class="" \
style="font-family: Arial, sans-serif; font-size: 14px;"><span class=""><br \
class=""></span></div><div class="" style="font-family: Arial, sans-serif; font-size: \
14px;">```</div><div class="" style="font-family: Arial, sans-serif; font-size: \
14px;"><span class="">route add -net 10.200.1.1/32 -inet6 \
fe80::9439:36ff:fef0:7cbd%vlan200</span><br class=""><span class="">add net \
10.200.1.1: gateway fe80::9439:36ff:fef0:7cbd%vlan200 fib 0: Invalid \
argument</span><br class=""></div></div></blockquote><div class=""><br \
class=""></div><div class="">I guess that is regression by transition of route(8) to \
NETLINK.</div></div></div></blockquote><blockquote type="cite" class=""><div \
class=""><div style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: \
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; \
letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; \
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; \
text-decoration: none;" class=""><div class=""><br class=""></div><div class="">Can \
you please build sbin/route from source without NETLINK and give it another try \
?</div><div class=""><br class=""></div><div class="">```</div><div class=""># cd \
/usr/src/sbin/route</div><div class=""># setenv MK_NETLINK_SUPPORT no</div><div \
class=""># make</div><div class="">```</div></div></div></blockquote><div><br \
class=""></div><div>Hi Benoit,</div><div><br class=""></div><div>I managed to repeat \
this bug.</div><div><br class=""></div><div><div>As a workaround, add an IPv4 address \
to the outgoing interface (vlan200 in your case),</div><div>```</div><div># ifconfig \
vlan200 inet x.x.x.x/y</div><div>```</div><div><br class=""></div><div>then retry \
adding the route</div><div>```</div><div># route add -net 10.200.1.1/32 -inet6 \
fe80::9439:36ff:fef0:7cbd%vlan200</div><div>```</div><div class=""><br \
class=""></div></div><blockquote type="cite" class=""><div class=""><div \
style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; \
font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: \
normal; text-align: start; text-indent: 0px; text-transform: none; white-space: \
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" \
class=""><br class=""><blockquote type="cite" class=""><div class=""><div class="" \
style="font-family: Arial, sans-serif; font-size: 14px;">```</div><div class="" \
style="font-family: Arial, sans-serif; font-size: 14px;"><br class=""></div><div \
class="" style="font-family: Arial, sans-serif; font-size: 14px;">ping6 to `<span \
class="" style="text-decoration: none; background-color: rgb(255, 255, 255); display: \
inline !important;">fe80::9439:36ff:fef0:7cbd%vlan200` works. What I am doing wrong? \
Configuration of the interface is the following:</span></div><div class="" \
style="font-family: Arial, sans-serif; font-size: 14px;"><span class="" \
style="text-decoration: none; background-color: rgb(255, 255, 255); display: inline \
!important;"><br class=""></span></div><div class="" style="font-family: Arial, \
sans-serif; font-size: 14px;">```</div><div class="" style="font-family: Arial, \
sans-serif; font-size: 14px;"><span class="">vlan200: \
flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu \
1500</span><div class=""><span class=""> \
options=4600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV6,MEXTPG></span></div><div \
class=""><span class=""> ether \
fe:d9:dd:2d:35:c5</span></div><div class=""><span class=""> \
inet6 fe80::fcd9:ddff:fe2d:35c5%vlan200 prefixlen 64 scopeid \
0x5</span></div><div class=""><span class=""> groups: \
vlan</span></div><div class=""><span class=""> vlan: 200 \
vlanproto: 802.1q vlanpcp: 0 parent interface: iavf0</span></div><div class=""><span \
class=""> media: Ethernet autoselect (10Gbase-SR \
<full-duplex>)</span></div><div class=""><span class=""> \
status: active</span></div><span class=""> nd6 \
options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL</span><br class=""></div><div \
class="" style="font-family: Arial, sans-serif; font-size: 14px;">```</div><div \
class="" style="font-family: Arial, sans-serif; font-size: 14px;"><span class=""><br \
class=""></span></div><div class="" style="font-family: Arial, sans-serif; font-size: \
14px;"><span class=""><br class=""></span></div><div class="" style="font-family: \
Arial, sans-serif; font-size: 14px;"><br class=""></div><div \
class="protonmail_signature_block" style="font-family: Arial, sans-serif; font-size: \
14px;"><div class="protonmail_signature_block-user"><div class="" style="font-style: \
normal; font-weight: normal; letter-spacing: normal; text-indent: 0px; \
text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none; \
font-family: Helvetica; font-size: \
12px;">Benoît </div></div></div></div></blockquote></div><br class="" \
style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; \
font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: \
normal; text-align: start; text-indent: 0px; text-transform: none; white-space: \
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: \
none;"><div class="" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; \
font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; \
letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; \
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; \
text-decoration: none;"><div class="">Best regards,</div><div \
class="">Zhenlei</div></div></div></blockquote></div><br class=""><div class=""> \
<div><br class=""></div>
</div>
<br class="">
</blockquote><br>
</div>
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic