[riot-users] Ping from tap interface of one RIOT instance to another dont work.

Rikhu Prasad rikhuprasad at gmail.com
Tue Dec 22 22:18:51 CET 2015


Hi Cenk,

Perfect! it works.. I was searching for a bridging script and nice that its
already provided :)


Thanks,
Rik

On Tue, Dec 22, 2015 at 9:45 PM, Cenk G√ľndogan <cenk.guendogan at fu-berlin.de>
wrote:

> Hello Rikhu,
>
> Can you try creating the tap interfaces with the tapsetup script
> located in RIOT/dist/tools/tapsetup/tapsetup ?
>
> This tapsetup script will create an interface (br0) that serves as a bridge
> between tap0 and tap1 (and other taps created by the tapsetup script).
>
> Thank you for pointing out this issue, I will address this in the tutorial.
>
> Best,
> Cenk
>
>
> On 22.12.2015 21:39, Rikhu Prasad wrote:
>
> Hi,
>
> I followed the following tutorial to get used to developing application in
> RIOT.
>
> https://github.com/cgundogan/RIOT-Tutorial/
>
> As per the below, I have configured one instance of RIOT to tap0 and
> another instance to tap1. and try to ping between 2 instances and this does
> not work. Am I missing something? Please advice.
>
> 1. Running RIOT on Native -> 8th point..
>
> *RIOT  (Instance 1):*
>
> ifconfig
> Iface  4   HWaddr: 22:a4:56:14:8a:61
>            MTU:1280  HL:64
>            Source address length: 6
>            Link type: wired
>            inet6 addr: ff02::1/128  scope: local [multicast]
>            inet6 addr: fe80::20a4:56ff:fe14:8a61/64  scope: local
>            inet6 addr: ff02::1:ff14:8a61/128  scope: local [multicast]
>            inet6 addr: ff02::2/128  scope: local [multicast]
>
> *RIOT (Instance 2) : *
>
> ifconfig
> Iface  4   HWaddr: ca:ec:7d:fd:db:d0
>            MTU:1280  HL:64
>            Source address length: 6
>            Link type: wired
>            inet6 addr: ff02::1/128  scope: local [multicast]
>            inet6 addr: fe80::c8ec:7dff:fefd:dbd0/64  scope: local
>            inet6 addr: ff02::1:fffd:dbd0/128  scope: local [multicast]
>            inet6 addr: ff02::2/128  scope: local [multicast]
>
> *I try to ping RIOT1 from RIOT2 : *
>
> ping6 fe80::20a4:56ff:fe14:8a61
> ping timeout
> ping timeout
> ping timeout
> --- fe80::20a4:56ff:fe14:8a61 ping statistics ---
> 3 packets transmitted, 0 received, 100% packet loss
>
> I try to ping RIOT instance 1 from instance 2 and dont work. I tried
> various other means like mentioning tap interface in ping command, still,
> don't work.
>
>
>
> -Rik
>
>
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