Community discussions

MikroTik App
 
jbohac
just joined
Topic Author
Posts: 1
Joined: Sat Aug 10, 2013 11:25 pm

manually adding link local IPv6 address

Sun Aug 11, 2013 11:10 pm

Hi,

my ISP is routing my global prefix over a link-local address. My side of the link is fea0:15::2/64, the ISP's side is fea0:15::1.

I am trying to add this address to my WAN iterface:

/ipv6 address add interface=ether1-internet address=fea0:15::2/64
failure: can not add link local address

How am I supposed to do this? This setup worked fine with my previous linux router:
ip a a fea0:15::2/64 dev eth1
ip route add ::/0 via fea0:15::1 dev eth1
 
snop
just joined
Posts: 3
Joined: Fri May 20, 2011 9:02 am

Re: manually adding link local IPv6 address

Mon Sep 16, 2013 8:10 pm

i have same problem, i wrote email to support too
 
Majklik
newbie
Posts: 35
Joined: Fri Dec 23, 2011 10:20 pm

Re: manually adding link local IPv6 address

Tue Sep 17, 2013 3:19 pm

I'm missing this feature too.
The suport was informed some time ago too.
 
maxknax
just joined
Posts: 6
Joined: Sat Aug 29, 2015 1:36 pm

Re: manually adding link local IPv6 address

Wed Jun 01, 2016 11:41 am

Almost 3 Years and nothing new.
Now I have the same Problem, Datacenter wants ro route our v6 net to fe80::2/64
 
felipecarneiro
just joined
Posts: 3
Joined: Tue Oct 20, 2015 5:32 am

Re: manually adding link local IPv6 address

Thu Jun 16, 2016 5:18 am

 
strg
Member Candidate
Member Candidate
Posts: 101
Joined: Sun Mar 07, 2010 4:01 am

Re: manually adding link local IPv6 address

Tue Nov 21, 2017 10:38 pm

Is this fixed ? Or a workaround exists ? My supplier wants me to add fe80::2a02:2f0f:a8 as a local link address for routing my 48 ipv6 subnet and i cant.
Is there a workaround ?
 
User avatar
ZeroByte
Forum Guru
Forum Guru
Posts: 4047
Joined: Wed May 11, 2011 6:08 pm

Re: manually adding link local IPv6 address

Tue Nov 21, 2017 11:50 pm

Unfortunately, Mikrotik does not allow manual configuration of the link-local address. It auto-generates the address using EUI-64. You could possibly create a specific link-local address based on this by manually specifying the MAC address of your WAN interface to a value whose EUI-64 conversion is what you want, but unfortunately, the address your ISP specifies is impossible to generate using EUI-64 because the middle of it must have ff:fe in there.

if your mac is 11:22:33:44:55:66 this would map to fe80::1322:33ff:fe44:5566 - not only is fffe stuffed in the middle of your MAC address, but the 7th bit is flipped (so 11: -> 13).

There is no MAC address possible to result in:
FE80::0000:2A02:2F0F:00A8 because the boldface digits here MUST be FF:FE in EUI-64.

Mikrotik, please fix this!
 
strg
Member Candidate
Member Candidate
Posts: 101
Joined: Sun Mar 07, 2010 4:01 am

Re: manually adding link local IPv6 address

Wed Nov 22, 2017 2:25 pm

Thanks @ZeroByte, with each day passes more and more mikrotik is a disappointment. I will stop recommendations to other people.
 
strg
Member Candidate
Member Candidate
Posts: 101
Joined: Sun Mar 07, 2010 4:01 am

Re: manually adding link local IPv6 address

Thu Nov 23, 2017 9:04 pm

Mikrotik, official answer ?
 
User avatar
ZeroByte
Forum Guru
Forum Guru
Posts: 4047
Joined: Wed May 11, 2011 6:08 pm

Re: manually adding link local IPv6 address

Mon Nov 27, 2017 8:27 pm

Mikrotik, official answer ?
While Mikrotik personnel do participate, this forum is more of a community forum than an official communication medium - so I would suggest that you send an email to support requesting this feature. I did list this as one of the things I consider both important and "easy to implement" for my IPv6 Triage List thread. Feel free to go add your voice to that thread as well.
 
mrgnulinux
just joined
Posts: 1
Joined: Fri Dec 29, 2017 6:33 pm

Re: manually adding link local IPv6 address

Fri Dec 29, 2017 6:47 pm

Hi, the problem in mikrotik is this not permit add link local address, but the solution to the first post is this
https://wiki.mikrotik.com/wiki/Manual:S ... v6_Routing

this example is the same problem has the first post.
 
around
just joined
Posts: 3
Joined: Fri Jan 11, 2019 7:53 pm

Re: manually adding link local IPv6 address

Tue Jan 15, 2019 9:34 am

I have the same problem, RouterOS 6.43.8 =(
 
carsenie
just joined
Posts: 13
Joined: Wed Mar 07, 2018 6:40 pm

Re: manually adding link local IPv6 address

Sun Dec 20, 2020 1:13 pm

Create an ipv6-pool with fe80 :: / 56 and prefix length 64.
Then add normal ip address only it will be selected from the pool in the form ::aaa:bbb:ccc/64
PS
Uncheck advertise
Attached pictures

Good Luck
Ciprian Arsenie
IT systems admin
You do not have the required permissions to view the files attached to this post.
 
User avatar
rextended
Forum Guru
Forum Guru
Posts: 11982
Joined: Tue Feb 25, 2014 12:49 pm
Location: Italy
Contact:

Re: manually adding link local IPv6 address

Tue May 24, 2022 4:08 pm

If remote is fe80::192:168:88:1/64 and local must be fe80::192:168:88:2/64

/ipv6 pool
add name=pool-link-local-sfp1 prefix=fe80::192:168:88:2/128 prefix-length=128
/ipv6 address
add address=::/128 advertise=no from-pool=pool-link-local-sfp1 interface=sfp1

But why do not permit to set directly the additional link-local IPv6,
instead to leave the user to search a way for circomventing this absurd block...

Some user are FORCED to personalize link-local address from source mainstream...
 
erwand
just joined
Posts: 1
Joined: Thu Jan 25, 2024 8:59 pm

Re: manually adding link local IPv6 address

Thu Jan 25, 2024 9:03 pm

My ISP only routes to a link-local address (static routes to the 8 /64 it provides)
And today upgrading to 7.13.3 changed the main mac address, and thus the link-local address.
I'll try the pool workaround to get a fixed link-local address for next upgrade.

Who is online

Users browsing this forum: Cr4shOnPc, patrikg and 86 guests