From: Narbik Kocharians (narbikk@gmail.com)
Date: Sat Jul 07 2007 - 04:04:09 ART
What are the Mac addresses of the two routers and how have you configured
IPv6 on those interfaces? can you statically configure the FE80::1 and
FE80::2?
On 7/7/07, nisha rani <nisharani1@googlemail.com> wrote:
>
> Narbik,
>
> I am configuring Ipv6 between ethernet interface of two routers. there are
> two router with Ipv6 address.
>
> Now I don't think it's an IOS bug as i used different IOS and same result.
>
>
> Thanks
> Nisha
>
>
> On 07/07/07, Narbik Kocharians <narbikk@gmail.com> wrote:
> >
> > How many other routers do you have on that segment?
> >
> > On 7/6/07, nisha rani <nisharani1@googlemail.com > wrote:
> > >
> > > Brajesh,
> > > Thanks for reply, As soon as i enable ipv6 on the interface it's
> > > erroring
> > > with duplicate address, very strange.
> > >
> > > 3620_R3(config-if)#ipv6 ena
> > > 3620_R3(config-if)#ipv6
> > > *Mar 5 17:52:45.535: %IPV6-4-DUPLICATE: Duplicate address
> > > FE80::204:4DFF:FE06:AAF1 on Et0
> > > 3620_R3(config-if)#do sh run int e1/0
> > > Building configuration...
> > > Current configuration : 90 bytes
> > > !
> > > interface Ethernet1/0
> > > ip address 198.11.11.3 255.255.255.0
> > > ipv6 enable
> > > end
> > >
> > > Regards,
> > > Nisha
> > >
> > > On 07/07/07, brajesh.thakur@wipro.com <brajesh.thakur@wipro.com>
> > > wrote:
> > > >
> > > >
> > > > Nisha, Try configuring the following set of command and see if it
> > > works
> > > > fine:
> > > >
> > > > Rack1R1(config-if)#ipv6 enable
> > > > Rack1R1(config-if)#ipv6 add fe80::/64 eui-64
> > > >
> > > >
> > > > You can check complete link-local address by following command:
> > > >
> > > > Show ipv6 interface <int type/number>
> > > >
> > > > Also try pinging address FE80::1 after running these commands.
> > > >
> > > > Warm Regards,
> > > > Brajesh Thakur
> > > >
> > > > -----Original Message-----
> > > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > > Of
> > > > nisha rani
> > > > Sent: Saturday, July 07, 2007 11:47 AM
> > > > To: Cisco certification
> > > > Subject: Duplicate link-local
> > > >
> > > > Rack1R1(config-if)#ipv6 add fe80::1 link
> > > > Rack1R1(config-if)#ipv6 add fe80::1 link-local
> > > > Rack1R1(config-if)#
> > > > *Mar 3 16:00: 59.340: %IPV6-4-DUPLICATE: Duplicate address FE80::1
> > > on
> > > > FastEthernet1/0
> > > > Rack1R1(config-if)#
> > > > Rack1R1(config-if)#
> > > > Rack1R1(config-if)#do sh ipv6 inte
> > > > FastEthernet1/0 is up, line protocol is up
> > > > IPv6 is stalled, link-local address is FE80::1 [DUPLICATE]
> > > > Global unicast address(es):
> > > > 2001:1:1:1::1, subnet is 2001:1:1:1::/64 [TENTATIVE]
> > > > Joined group address(es):
> > > > FF02::1
> > > > FF02::2
> > > > FF02::1:FF00:1
> > > >
> > > > Regards,
> > > >
> > > >
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> > --
> > Narbik Kocharians
> > CCIE# 12410 (R&S, SP, Security)
> > CCSI# 30832
>
>
>
-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832
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