From: Alexander Aring <alex.aring@gmail.com>
To: Varka Bhadram <varkabhadram@gmail.com>
Cc: Simon Vincent <simon.vincent@xsilon.com>, linux-wpan@vger.kernel.org
Subject: Re: ICMPv6 Redirects
Date: Mon, 29 Sep 2014 13:53:53 +0200 [thread overview]
Message-ID: <20140929115351.GA13173@omega> (raw)
In-Reply-To: <5429466F.4080506@gmail.com>
On Mon, Sep 29, 2014 at 05:15:51PM +0530, Varka Bhadram wrote:
> On 09/29/2014 05:05 PM, Varka Bhadram wrote:
> >On 09/29/2014 04:39 PM, Simon Vincent wrote:
> >>
> >>On 29/09/14 11:58, Varka Bhadram wrote:
> >>>Simon,
> >>>
> >>>On 09/29/2014 03:50 PM, Simon Vincent wrote:
> >>>>Currently there does not seem to be any filtering in the mac layer
> >>>>anyway. In wpan.c mac802154_subif_frame we check the pan id and dest
> >>>>address but we don't discard any packets. Should we be discarding
> >>>>packets at this point? For example packets of type PACKET_OTHERHOST.
> >>>>
> >>>>If I discard all PACKET_OTHERHOST in mac802154_subif_frame it solves
> >>>>my problem. I just don't know if this will effect anything else.
> >>>>
> >>>I think we are not supposed to discard the packets like this. This will
> >>>create the problems if routing enabled on the node.
> >>>
> >>>This not problem with the IEEE-802.15.4 driver or MAC implementation.
> >>>
> >>>These issues related to IPv6/ICMPv6 (ECHO request and ECHO reply).
> >>>Here RFC2461/RFC4861 will
> >>>come into picture. see:http://www.tahi.org/logo/phase2-core/result/Self_Test_4-0-3/freebsd71.router/nd.p2/
> >>>
> >>>Can you explain the setup..? What h/w you are using. How the network
> >>>connected..?
> >>>
> >>I am running three nodes all directly connected to each other via
> >>powerline networking running 802.15.4.
> >>Therefore all nodes can see all the traffic. The nodes are setup with
> >>ipv6 forwarding enabled.
> >>If I ping node A from node B node C sends ICMP redirects.
> >Please add:
> >
> >net.ipv6.conf.all.accept_redirects = 1
> >net.ipv6.conf.all.send_redirects = 1
> >
> >to your//etc/sysctl.conf/ file.. It will disable redirect..
> >
> >Try this . I hope it will work.
>
> Sorry for the wrong info...
>
> Set up accept_redirects/send_redirects to boolean value '0'
>
> echo 0 > /proc/sys/net/ipv6/conf/all/accept_redirects
>
don't know but I think this is only if we send or accept the route
ICMPv6 messages. You only configure some filtering if you get these
ICMPv6 messages or not, or if you send these ICMPv6 messages.
- Alex
next prev parent reply other threads:[~2014-09-29 11:54 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-26 15:16 ICMPv6 Redirects Simon Vincent
2014-09-26 15:35 ` Alexander Aring
2014-09-26 16:26 ` Simon Vincent
2014-09-27 1:42 ` Alexander Aring
2014-09-29 10:20 ` Simon Vincent
2014-09-29 10:58 ` Varka Bhadram
2014-09-29 11:09 ` Simon Vincent
[not found] ` <5429441C.5000302@gmail.com>
[not found] ` <5429466F.4080506@gmail.com>
2014-09-29 11:53 ` Alexander Aring [this message]
2014-09-29 11:57 ` Alexander Aring
[not found] ` <542949AE.30701@gmail.com>
2014-09-29 12:14 ` Alexander Aring
[not found] ` <54294BE7.7040501@gmail.com>
2014-09-29 12:14 ` Alexander Aring
[not found] ` <54295556.3030800@xsilon.com>
2014-09-29 13:12 ` Alexander Aring
2014-09-29 13:30 ` Alexander Aring
2014-09-29 13:33 ` Simon Vincent
2014-09-29 13:38 ` Alexander Aring
2014-09-29 13:41 ` Alexander Aring
2014-09-29 13:51 ` Simon Vincent
2014-09-29 13:54 ` Varka Bhadram
2014-09-29 14:12 ` Simon Vincent
2014-09-29 13:58 ` Alexander Aring
2014-09-29 14:05 ` Varka Bhadram
2014-09-29 14:12 ` Alexander Aring
2014-09-29 14:15 ` Varka Bhadram
2014-09-29 14:19 ` Alexander Aring
2014-09-29 14:12 ` Simon Vincent
2014-09-29 14:17 ` Alexander Aring
2014-09-29 14:39 ` Alexander Aring
2014-09-29 14:51 ` Alexander Aring
2014-09-29 16:41 ` Alexander Aring
2014-09-30 8:34 ` Simon Vincent
2014-09-30 8:34 ` Varka Bhadram
2014-09-30 8:39 ` Alexander Aring
2014-09-30 8:46 ` Varka Bhadram
2014-09-30 8:53 ` Alexander Aring
2014-09-30 9:10 ` Varka Bhadram
2014-09-30 9:25 ` Alexander Aring
2014-09-30 9:35 ` Varka Bhadram
2014-09-30 9:43 ` Alexander Aring
[not found] ` <542A7D85.8050608@gmail.com>
2014-09-30 10:03 ` Alexander Aring
2014-09-30 10:55 ` Jukka Rissanen
2014-09-30 11:13 ` Alexander Aring
2014-09-30 11:35 ` Alexander Aring
2014-09-29 11:13 ` Alexander Aring
2014-09-29 11:23 ` Alexander Aring
2014-09-29 11:37 ` Alexander Aring
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