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Re: [Anima] Is this how BRSKI/IPIP works?

Michael Richardson <mcr+ietf@sandelman.ca> Mon, 17 July 2017 06:34 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Toerless Eckert <tte@cs.fau.de>
cc: Brian E Carpenter <brian.e.carpenter@gmail.com>, Anima WG <anima@ietf.org>
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Comments: In-reply-to Toerless Eckert <tte@cs.fau.de> message dated "Sun, 16 Jul 2017 20:27:49 +0200."
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Date: Mon, 17 Jul 2017 08:34:01 +0200
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Archived-At: <https://mailarchive.ietf.org/arch/msg/anima/MBrkAboJvvd3kdEiVfDREy63_hk>
Subject: Re: [Anima] Is this how BRSKI/IPIP works?
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Toerless Eckert <tte@cs.fau.de> wrote:
    > I thought i had asked that question already but not sure, and not seen
    > an answer: - I have never seen that a device has more than one
    > link-local addr on an interface.  Is this permitted by IPv6 arck ? Can
    > you configure this in eg: Linux. I thought i tried on linux/cisco-ios
    > in the past and i do not quite remember, but i think it failed (only
    > one address).

dooku-[~](2.3.0) mcr 10879 %sudo ip -6 addr add fe80::1234/64 dev wlan0

dooku-[~](2.3.0) mcr 10788 %ifconfig wlan0
wlan0     Link encap:Ethernet  HWaddr 08:11:96:01:81:e0
          inet addr:31.133.129.16  Bcast:31.133.143.255  Mask:255.255.240.0
          inet6 addr: fe80::1234/64 Scope:Link
          inet6 addr: fe80::a11:96ff:fe01:81e0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

dooku-[~](2.3.0) mcr 10788 %ip -6 addr ls dev wlan0
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000
    inet6 fe80::1234/64 scope link
       valid_lft forever preferred_lft forever
    inet6 fe80::a11:96ff:fe01:81e0/64 scope link
       valid_lft forever preferred_lft forever


--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [


--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-

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