From: Ovidiu Neghina (o.neghina@gmail.com)
Date: Sat Mar 21 2009 - 12:38:16 ART
hi
off topic : do we have IPv6 on CCIE SP ? the blueprint says nothing
about IPv6 or 6VPE
ovidiu
On Thu, Mar 19, 2009 at 10:14 PM, Antonio Soares <amsoares@netcabo.pt> wrote:
> The configuration i have works perfectly for IPv4. But the same type of config does not work for IPv6.
>
> And the problem is this static route:
>
> ipv6 route 2001:3::/64 FastEthernet0/1.1 nexthop-vrf vrf1
>
> The router installs it but for some reason it does not work.
>
> I have these configurations if someone wants to give it a try:
>
> ++++++++++++++++++++
> R1:
> ++++++++++++++++++++
> !
> ip cef
> ipv6 unicast-routing
> ipv6 cef
> !
> interface FastEthernet0/0
> ip address 12.12.12.1 255.255.255.0
> ipv6 address 2001:12::1/64
> !
> interface FastEthernet0/1
> ip address 10.10.10.1 255.255.255.0
> ipv6 address 2001:1::1/64
> !
> ip route 0.0.0.0 0.0.0.0 12.12.12.2
> !
> ipv6 route ::/0 2001:12::2
> !
> ++++++++++++++++++++
> R2
> ++++++++++++++++++++
> !
> vrf definition vrf1
> rd 1:1
> !
> address-family ipv4
> route-target export 1:1
> route-target import 1:1
> exit-address-family
> !
> address-family ipv6
> route-target export 1:1
> route-target import 1:1
> exit-address-family
> !
> ip cef
> ipv6 unicast-routing
> ipv6 cef
> !
> interface FastEthernet0/0
> ip address 12.12.12.2 255.255.255.0
> ipv6 address 2001:12::2/64
> !
> interface FastEthernet0/1
> vrf forwarding vrf1
> ip address 20.20.20.1 255.255.255.0
> ipv6 address 2001:2::1/64
> !
> ip route 20.20.20.0 255.255.255.0 FastEthernet0/1
> ip route vrf vrf1 0.0.0.0 0.0.0.0 12.12.12.1 global
> !
> ipv6 route 2001:2::/64 FastEthernet0/1 nexthop-vrf vrf1
> ipv6 route vrf vrf1 ::/0 2001:12::1 nexthop-vrf default
> !
> ++++++++++++++++++++
>
> You will need 12.4(20)T or higher in order to have support for IPv6 VRFs.
>
>
> Regards,
>
> Antonio Soares, CCIE #18473 (R&S)
> amsoares@netcabo.pt
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Joseph L. Brunner
> Sent: quinta-feira, 19 de Margo de 2009 15:14
> To: 'Antonio Soares'; ccielab@groupstudy.com; comserv@groupstudy.com
> Subject: RE: IPv6 route leaking
>
> Your forgetting the resolution will fail because of the medium- Ethernet...
>
> Solve this with "pumpkin loopbacks" or whatever the hell its called...
>
> Simply run a gre tunnel between two tunnel interfaces in the same router, each sourced from different loopback. Both loopbacks part
> of global routing table; on tunnel interface part of VRF routing table.
>
> Works every time!
>
> -Joe
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Antonio Soares
> Sent: Thursday, March 19, 2009 12:10 PM
> To: ccielab@groupstudy.com; comserv@groupstudy.com
> Subject: IPv6 route leaking
>
> Hello group,
>
> Suppose these interfaces:
>
> !
> interface FastEthernet0/0
> ip address 123.123.123.3 255.255.255.0
> ipv6 address 2001:13::3/64
> !
> interface FastEthernet0/1.1
> vrf forwarding vrf1
> encapsulation dot1Q 1 native
> ip address 100.100.100.1 255.255.255.0
> ipv6 address 2001:3::1/64
> !
>
> For IPv4, we have these options to do route leaking:
>
> 1) Global RT to VRF:
>
> ip route 100.100.100.0 255.255.255.0 FastEthernet0/1.1
>
> 2) VRF to Global RT:
>
> ip route vrf vrf1 0.0.0.0 0.0.0.0 123.123.123.1 global
>
>
> I was trying to accomplish the same with IPv6:
>
> 1) Global RT to VRF:
>
> ipv6 route 2001:3::/64 FastEthernet0/1.1 nexthop-vrf vrf1
>
> 2) VRF to Global RT:
>
> ipv6 route vrf vrf1 ::/0 2001:13::1 nexthop-vrf Default
>
> But here Global RT to VRF does not work.
>
>
> Local router:
>
> ping vrf vrf1 2001:1::1
>
> ICMPv6: Sent echo request, Src=2001:3::1, Dst=2001:1::1
> ICMPv6: Sent Unreachable code 3, Src=2001:13::3, Dst=2001:1::1
>
> Remote router:
>
> ICMPv6: Received echo request, Src=2001:3::1, Dst=2001:1::1
> ICMPv6: Sent echo reply, Src=2001:1::1, Dst=2001:3::1
> ICMPv6: Received Unreachable code 3, Src=2001:13::3, Dst=2001:1::1
>
>
> Ant hints ? Is this supported ?
>
>
> Thanks.
>
> Regards,
>
> Antonio Soares, CCIE #18473 (R&S)
> amsoares@netcabo.pt
>
>
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