Hi all experts out there,
1) Is it correct that while configuring IPv6 over Frame-Relay I need
the broadcast keyword, used in the frame-relay map command, only on the
link-local address mapping? There is no broadcast in IPv6, so its used for
multicast. This would mean that for all communication for example in OSPF
(updates
), the link local address is used?
As far as I can see, everything would work with link local
addresses; neigbor relationship, population of routing tables
, but I still
get an Frame-Relay encapsulation failure, so I must use a global address as
well
Can someone explain that?
2) In Multiprotocol BGP I can use both as neigbor statement, the global
address or the link-local address. This confuses me somehow, is the approach
here really different?
3) On Task 11.4 we are using passive interfaces in OSPFv3 in order to
prevent the two routers R5 and R6 to become neighbors over the same segment.
Well, I just used the instance command under the related interface config
and to me it works fine, no neighborship has been build.
Is that a correct configuration way, alternative to
passive-interface or did I miss something to think about?
Here the config for the two connected interfaces:
R5:
!
interface GigabitEthernet0/0
no ip address
duplex auto
speed 100
ipv6 address 2000:57:57:5757::5/64
ipv6 address FE80::5 link-local
ipv6 ospf 1 area 57 instance 11
!
R7:
interface FastEthernet0/0
no ip address
duplex auto
speed auto
ipv6 address 2000:57:57:5757::7/64
ipv6 address FE80::7 link-local
ipv6 ospf 2 area 57 instance 22
Thanks in advance
Roger
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