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

Rikhu Prasad rikhuprasad at gmail.com
Tue Dec 22 21:39:27 CET 2015


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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