From: Loi, Choon Ho (ChoonHo.Loi@getronics.com)
Date: Mon Sep 26 2005 - 13:56:19 GMT-3
Attached with the sh ipv6 route from r1 and r4.
R4 does not know how to get to the link-local address
FE80::20B:60FF:FE51:AC08.
Since r4 to r1 is a point-to-point interface, I can't map it to the
interface dlci.
Inverse-arp doesn't seems like working in this case.
Sh frame-relay map:
r1#sh frame map
Serial1/0.14 (up): point-to-point dlci, dlci 104(0x68,0x1880), broadcast
status defined, active
r4#sh frame map
Serial0/0.14 (up): point-to-point dlci, dlci 401(0x191,0x6410),
broadcast
status defined, active
R1 ip address:
Serial1/0.14 [up/up]
FE80::20B:60FF:FE51:AC08
2001:24:24:0:20B:60FF:FE51:AC08
------------------------------------------------------------------------
------
r1#sh ipv6 route 2001:24:24::/64
IPv6 Routing Table - 11 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
U - Per-user Static route
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS
summary
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext
2
ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
C 2001:24:24::/64 [0/0]
via ::, Serial1/0.14
r4#sh ipv6 rip database
RIP process "r1r4", local RIB
2001:24:24::/64, metric 2
Serial0/0.14/FE80::20B:60FF:FE51:AC08, expires in 170 secs
2001:2222:2222:0:203:32FF:FE95:6C00/128, metric 8, installed
Serial0/0.14/FE80::20B:60FF:FE51:AC08, expires in 170 secs
2001:3333:3333:0:260:83FF:FEF3:F000/128, metric 8, installed
Serial0/0.14/FE80::20B:60FF:FE51:AC08, expires in 170 secs
------------------------------------------------------------------------
--------
r4#sh ipv6 route
IPv6 Routing Table - 8 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
U - Per-user Static route
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS
summary
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext
2
ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
C 2001:24:24::/64 [0/0]
via ::, Serial0/0.14
L 2001:24:24:0:260:83FF:FE39:3E21/128 [0/0]
via ::, Serial0/0.14
R 2001:2222:2222:0:203:32FF:FE95:6C00/128 [120/8]
via FE80::20B:60FF:FE51:AC08, Serial0/0.14
R 2001:3333:3333:0:260:83FF:FEF3:F000/128 [120/8]
via FE80::20B:60FF:FE51:AC08, Serial0/0.14
C 2001:4444:4444::/64 [0/0]
via ::, Loopback0
L 2001:4444:4444:0:260:83FF:FE39:3E21/128 [0/0]
via ::, Loopback0
L FE80::/10 [0/0]
via ::, Null0
L FF00::/8 [0/0]
via ::, Null0
r1#sh ipv6 route
IPv6 Routing Table - 11 entries
Codes: C - Connected, L - Local, S - Static, R - RIP, B - BGP
U - Per-user Static route
I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS
summary
O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext
2
ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2
C 2001:24:24::/64 [0/0]
via ::, Serial1/0.14
L 2001:24:24:0:20B:60FF:FE51:AC08/128 [0/0]
via ::, Serial1/0.14
C 2001:256:256::/64 [0/0]
via ::, Serial1/0.123
L 2001:256:256:0:20B:60FF:FE51:AC08/128 [0/0]
via ::, Serial1/0.123
C 2001:1111:1111::/64 [0/0]
via ::, Loopback0
L 2001:1111:1111:0:20B:60FF:FE51:AC08/128 [0/0]
via ::, Loopback0
O 2001:2222:2222:0:203:32FF:FE95:6C00/128 [110/64]
via FE80::203:32FF:FE95:6C00, Serial1/0.123
O 2001:3333:3333:0:260:83FF:FEF3:F000/128 [110/64]
via FE80::260:83FF:FEF3:F000, Serial1/0.123
R 2001:4444:4444::/64 [120/2]
via FE80::260:83FF:FE39:3E21, Serial1/0.14
L FE80::/10 [0/0]
via ::, Null0
L FF00::/8 [0/0]
via ::, Null0
Redistribution on router r1:
ipv6 router ospf 1
router-id 1.1.1.1
log-adjacency-changes
passive-interface default
no passive-interface Serial1/0.123
redistribute rip r1r4 metric 1000
!
ipv6 router rip r1r4
redistribute ospf 1 metric 7
-----Original Message-----
From: Duongla [mailto:duongla@vnn.vn]
Sent: Tuesday, September 27, 2005 12:18 AM
To: Loi, Choon Ho; ccielab@groupstudy.com
Subject: Re: IPV6 redistribution issue
Hi,
Can you double-check if R4 has route to NBMA subnet ?
When you reditribute from OSPF to RIP on R1 for example, R1 will not
redistribute its directly connected subnet on NBMA, so R4 has just
routes to loopback subnet of R2,R3. The same thing happens when
redistributing from RIP to OSPF If you ping R2 loopback from R4, the
icmp echo will reach R2 but R2 does not know how to come back.
Its my idea. Pls check if this helps
Duongla
----- Original Message -----
From: "Loi, Choon Ho" <ChoonHo.Loi@getronics.com>
To: <ccielab@groupstudy.com>
Sent: Monday, September 26, 2005 4:34 PM
Subject: IPV6 redistribution issue
> Hi,
> I had a problem in redistributing Ipv6 RIP to OSPF & vice-versa.
> The route is successfully redistributed but its not reachable.
> Here is my setup:
>
> R1(Hub)-----FR P-2-P------R4
> \
> \FR NBMA
> \---------(Spoke)R2
> \
> \-------(Spoke)R3
>
>
> R1-R2-R3 - OSPF
> R1-R4 - RIP
>
> Loopback from R2 & R3 was distributed to R4. But, R4 can not reach R2
> and R3.
> I can't do a manual mapping due to the p2p setting between R1 and R4.
> How can I make R4 reachable to R2 & R3
>
> Thanks.
>
>
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