[IPv6]- stange behaviour

Hi community,

For now I use the ASET Lab of cisco and I see a stange behaviour for IPv6.

Each time I reload the routers I see that their link-local IPv6  and EUI-64 adresses have changed and so my OSPFv3 stuk to EXSTART state (I've to correct them in order to get FULL state of OSPFv3):

Is it the same behaviour on real LAB ?

Here is some output:

interface Serial0/0/0.346 multipoint
 ip address 110.1.0.6 255.255.255.0
 ip pim sparse-mode
 ip ospf network point-to-multipoint
 ip ospf hello-interval 10
 ipv6 address 2001:0:0:346::/64 eui-64
 ipv6 ospf network point-to-multipoint
 ipv6 ospf hello-interval 10
 ipv6 ospf 1 area 0
 frame-relay map ipv6 FE80::21C:58FF:FE22:2D70 604 broadcast
 frame-relay map ip 110.1.0.3 603 broadcast
 frame-relay map ip 110.1.0.4 604 broadcast
 frame-relay map ipv6 2001::346:216:9DFF:FE43:F9A0 603
 frame-relay map ipv6 FE80::218:BAFF:FE44:1750 603 broadcast
 frame-relay map ipv6 2001::346:21C:58FF:FE22:4000 604
!

Serial0/0/0.346            [up/up]
    FE80::21B:D5FF:FE1D:E680
    2001::346:21B:D5FF:FE1D:E680
!

R6#ospf6n

Neighbor ID     Pri   State           Dead Time   Interface ID    Interface
110.1.3.1         1   EXSTART/  -     00:00:36    6               Serial0/0/0.346
192.4.4.4         1   EXSTART/  -     00:00:36    6               Serial0/0/0.346
!

Regards,

kalmogo

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