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routes learned with ospf6d are not being removed with the configuration reset

 

 

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psridhar28 at gmail

Mar 12, 2012, 2:44 AM

Post #1 of 2 (253 views)
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routes learned with ospf6d are not being removed with the configuration reset

Hi,
We are observing that the Routes learnt through OSPF6 are not removed
from kernel/zebra either when the interface (over which these routes are
learnt) is removed from Area or when the Area itself is removed.

But the routes are removed from kernel when OSPF6 process is disabled.

Is this a known issue with OSPF6?or Can any body point me where can I look
for the issue.



Configuration to learn routes :



Current configuration:

!

hostname ospf6d

password zebra

log stdout

!

debug ospf6 lsa unknown

!

interface eth1

ipv6 ospf6 cost 1

ipv6 ospf6 hello-interval 10

ipv6 ospf6 dead-interval 40

ipv6 ospf6 retransmit-interval 5

ipv6 ospf6 priority 1

ipv6 ospf6 transmit-delay 1

ipv6 ospf6 instance-id 0

!

interface eth4

ipv6 ospf6 cost 1

ipv6 ospf6 hello-interval 10

ipv6 ospf6 dead-interval 40

ipv6 ospf6 retransmit-interval 5

ipv6 ospf6 priority 1

ipv6 ospf6 transmit-delay 1

ipv6 ospf6 instance-id 0

!

router ospf6

router-id 2.2.2.2

redistribute connected

area 0.0.0.0 range 7777:1:2::/48

interface eth4 area 0.0.0.0

!

line vty

!

end



Routes learnt over eth4 interface :



Router# sh ipv6 route

Codes: K - kernel route, C - connected, S - static, R - RIPng, O - OSPFv3,

I - ISIS, B - BGP, * - FIB route.



C>* ::1/128 is directly connected, lo

O>* 2221::/64 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:01:36

O>* 2222::/54 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:01:36

C>* 5001::/64 is directly connected, eth0









Removed Area from configuration :



Current configuration:

!

hostname ospf6d

password zebra

log stdout

!

debug ospf6 lsa unknown

!

interface eth1

ipv6 ospf6 cost 1

ipv6 ospf6 hello-interval 10

ipv6 ospf6 dead-interval 40

ipv6 ospf6 retransmit-interval 5

ipv6 ospf6 priority 1

ipv6 ospf6 transmit-delay 1

ipv6 ospf6 instance-id 0

!

interface eth4

ipv6 ospf6 cost 1

ipv6 ospf6 hello-interval 10

ipv6 ospf6 dead-interval 40

ipv6 ospf6 retransmit-interval 5

ipv6 ospf6 priority 1

ipv6 ospf6 transmit-delay 1

ipv6 ospf6 instance-id 0

!

router ospf6

router-id 2.2.2.2

redistribute connected

!

line vty

!

end



Still OSPF6 learnt routes are present in Kernel :



Router# sh ipv6 route

Codes: K - kernel route, C - connected, S - static, R - RIPng, O - OSPFv3,

I - ISIS, B - BGP, * - FIB route.



C>* ::1/128 is directly connected, lo

O>* 2221::/64 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:04:41

O>* 2222::/54 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:04:41

C>* 5001::/64 is directly connected, eth0


balajig81 at gmail

Mar 12, 2012, 3:51 AM

Post #2 of 2 (243 views)
Permalink
Re: routes learned with ospf6d are not being removed with the configuration reset [In reply to]

Sridhar,

What version of quagga are you experiencing this problem ?

Cheers,
- Balaji

On Mon, Mar 12, 2012 at 3:14 PM, Sridhar Pothuganti <psridhar28 [at] gmail>wrote:

> Hi,
> We are observing that the Routes learnt through OSPF6 are not removed
> from kernel/zebra either when the interface (over which these routes are
> learnt) is removed from Area or when the Area itself is removed.
>
> But the routes are removed from kernel when OSPF6 process is disabled.
>
> Is this a known issue with OSPF6?or Can any body point me where can I look
> for the issue.
>
>
>
> Configuration to learn routes :
>
>
>
> Current configuration:
>
> !
>
> hostname ospf6d
>
> password zebra
>
> log stdout
>
> !
>
> debug ospf6 lsa unknown
>
> !
>
> interface eth1
>
> ipv6 ospf6 cost 1
>
> ipv6 ospf6 hello-interval 10
>
> ipv6 ospf6 dead-interval 40
>
> ipv6 ospf6 retransmit-interval 5
>
> ipv6 ospf6 priority 1
>
> ipv6 ospf6 transmit-delay 1
>
> ipv6 ospf6 instance-id 0
>
> !
>
> interface eth4
>
> ipv6 ospf6 cost 1
>
> ipv6 ospf6 hello-interval 10
>
> ipv6 ospf6 dead-interval 40
>
> ipv6 ospf6 retransmit-interval 5
>
> ipv6 ospf6 priority 1
>
> ipv6 ospf6 transmit-delay 1
>
> ipv6 ospf6 instance-id 0
>
> !
>
> router ospf6
>
> router-id 2.2.2.2
>
> redistribute connected
>
> area 0.0.0.0 range 7777:1:2::/48
>
> interface eth4 area 0.0.0.0
>
> !
>
> line vty
>
> !
>
> end
>
>
>
> Routes learnt over eth4 interface :
>
>
>
> Router# sh ipv6 route
>
> Codes: K - kernel route, C - connected, S - static, R - RIPng, O - OSPFv3,
>
> I - ISIS, B - BGP, * - FIB route.
>
>
>
> C>* ::1/128 is directly connected, lo
>
> O>* 2221::/64 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:01:36
>
> O>* 2222::/54 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:01:36
>
> C>* 5001::/64 is directly connected, eth0
>
>
>
>
>
>
>
>
>
> Removed Area from configuration :
>
>
>
> Current configuration:
>
> !
>
> hostname ospf6d
>
> password zebra
>
> log stdout
>
> !
>
> debug ospf6 lsa unknown
>
> !
>
> interface eth1
>
> ipv6 ospf6 cost 1
>
> ipv6 ospf6 hello-interval 10
>
> ipv6 ospf6 dead-interval 40
>
> ipv6 ospf6 retransmit-interval 5
>
> ipv6 ospf6 priority 1
>
> ipv6 ospf6 transmit-delay 1
>
> ipv6 ospf6 instance-id 0
>
> !
>
> interface eth4
>
> ipv6 ospf6 cost 1
>
> ipv6 ospf6 hello-interval 10
>
> ipv6 ospf6 dead-interval 40
>
> ipv6 ospf6 retransmit-interval 5
>
> ipv6 ospf6 priority 1
>
> ipv6 ospf6 transmit-delay 1
>
> ipv6 ospf6 instance-id 0
>
> !
>
> router ospf6
>
> router-id 2.2.2.2
>
> redistribute connected
>
> !
>
> line vty
>
> !
>
> end
>
>
>
> Still OSPF6 learnt routes are present in Kernel :
>
>
>
> Router# sh ipv6 route
>
> Codes: K - kernel route, C - connected, S - static, R - RIPng, O - OSPFv3,
>
> I - ISIS, B - BGP, * - FIB route.
>
>
>
> C>* ::1/128 is directly connected, lo
>
> O>* 2221::/64 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:04:41
>
> O>* 2222::/54 [110/20] via fe80::c600:bff:fef0:0, eth4, 00:04:41
>
> C>* 5001::/64 is directly connected, eth0
>
> _______________________________________________
> Quagga-dev mailing list
> Quagga-dev [at] lists
> http://lists.quagga.net/mailman/listinfo/quagga-dev
>
>

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