[f-nsp] Exported routes from VRF: lost BGP attributes
Alexander Shikoff
minotaur at crete.org.ua
Mon Sep 1 14:37:13 EDT 2014
Hi!
On Mon, Sep 01, 2014 at 07:25:36PM +0200, Wouter Prins wrote:
> hi Alexander,
> Have you tried redistributing vrf-a to vpnv4 and export it to vrf-b to see if the bgp
> attributes are available?
I cannot find a way how to do that.
> AFAIK, import/export belongs to the vpnv4 afi and not to vrf-lite functionality.
vrf Crimea-IX
rd 31210:39751
address-family ipv4
route-target export 31210:39751
route-target import 31210:31210
route-target import 31210:39751
exit-address-family
exit-vrf
There is no address-family vpnv4 within vrf configuration:
telnet at lsr1-gdr.ki(config)#vrf Crimea-IX
telnet at lsr1-gdr.ki(config-vrf-Crimea-IX)#address-family ?
ipv4 IPv4 address Family
ipv6 IPv6 address Family
> On 27 August 2014 14:38, Alexander Shikoff <[1]minotaur at crete.org.ua> wrote:
>
> Hi Eldon,
>
> On Wed, Aug 13, 2014 at 04:53:05PM -0600, Eldon Koyle wrote:
> > I suspect you are actually wanting to look at the vpn route. You
> > probably need to run:
> > show ip bgp vpnv4 route [2]173.194.40.0/24
> > 'show ip bgp vrf NAME' only shows routes learned via the BGP neighbors
> > within the VRF, not the vpn routes; that is to say the routes learned
> > from neighbors such as:
> >
> > router bgp
> > ...
> > address-family ipv4 unicast vrf NAME
> > neighbor ...
> >
> > These routes are then redistributed across your provider routers via the
> > BGP vpnv4 address family.
>
> Thank you for suggestion. But I'm afraid I didn't understand you clearly.
> [3]telnet at lsr1-gdr.ki#show ip bgp vpnv4 route [4]173.194.40.0/24
> BGP Routing Table is empty
> I don't need any VPN. I have a single box with two BGP neighbors connected to,
> each neighbor in separate VRF.
> In one VRF I need to import routes from different VRF and announce them to BGP
> neighbor. But I cannot do that because BGP attributes is lost during import.
>
> > --
> > Eldon Koyle
> > --
> > If built in great numbers, motels will be used for nothing but illegal
> > purposes.
> > -- J. Edgar Hoover
> >
> > On Aug 13 16:24+0300, Alexander Shikoff wrote:
> > > Hi!
> > >
> > > I have two VRFs on MLXe-16 box and I noticed that exported routes
> > > from one VRF to other lost their BGP attributes.
> > >
> > > vrf Crimea-IX
> > > rd 31210:39751
> > > address-family ipv4
> > > import routes vrf DTEL-IX route-map rm-BGP-and-Direct
> > > exit-address-family
> > > exit-vrf
> > > !
> > > vrf DTEL-IX
> > > rd 31210:31210
> > > address-family ipv4
> > > import routes vrf Crimea-IX route-map rm-Crimea-IX2DTEL-IX
> > > exit-address-family
> > > exit-vrf
> > >
> > >
> > > The routes are exported from Crimea-IX to DTEL-IX, for example:
> > >
> > > [5]telnet at lsr1-gdr.ki#show ip route vrf DTEL-IX [6]173.194.40.0/24
> > > Type Codes - B:BGP D:Connected I:ISIS O:OSPF R:RIP S:Static; Cost - Dist/Metric
> > > BGP Codes - i:iBGP e:eBGP
> > > ISIS Codes - L1:Level-1 L2:Level-2
> > > OSPF Codes - i:Inter Area 1:External Type 1 2:External Type 2 s:Sham Link
> > > STATIC Codes - d:DHCPv6
> > > Destination Gateway Port Cost Type Uptime
> src-vrf
> > > 1 [7]173.194.40.0/24 193.34.200.141 ve 205 20/0 Be 25m23s
> Crimea-IX
> > >
> > >
> > > In Crimea-IX this route has all its attributes:
> > > [8]telnet at lsr1-gdr.ki#show ip bgp vrf Crimea-IX route [9]173.194.40.0/24
> > > Number of BGP Routes matching display condition : 1
> > > Status A:AGGREGATE B:BEST b:NOT-INSTALLED-BEST C:CONFED_EBGP D:DAMPED
> > > E:EBGP H:HISTORY I:IBGP L:LOCAL M:MULTIPATH m:NOT-INSTALLED-MULTIPATH
> > > S:SUPPRESSED F:FILTERED s:STALE
> > > Prefix Next Hop MED LocPrf Weight Status
> > > 1 [10]173.194.40.0/24 193.34.200.141 100 0 BE
> > > AS_PATH: 42896 15169
> > > Last update to IP routing table: 0h26m44s, 1 path(s) installed:
> > > Route is not advertised to any peers
> > >
> > > In DTEL-IX this route has no attributes already:
> > >
> > > [11]telnet at lsr1-gdr.ki#show ip bgp vrf DTEL-IX route [12]173.194.40.0/24
> > > BGP4 : None of the BGP4 routes match the display condition
> > >
> > >
> > > Is there any way to keep BGP attributes when exporting routes ?
> > >
> > > Thanks in advance!
> > >
> > > --
> > > MINO-RIPE
> > > _______________________________________________
> > > foundry-nsp mailing list
> > > [13]foundry-nsp at puck.nether.net
> > > [14]http://puck.nether.net/mailman/listinfo/foundry-nsp
> > >
> --
> MINO-RIPE
> _______________________________________________
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>
> --
> Wouter Prins
> [17]wp at null0.nl
>
> Ссылки
>
> 1. mailto:minotaur at crete.org.ua
> 2. http://173.194.40.0/24
> 3. http://telnet@lsr1-gdr.ki/#show
> 4. http://173.194.40.0/24
> 5. http://telnet@lsr1-gdr.ki/#show
> 6. http://173.194.40.0/24
> 7. http://173.194.40.0/24
> 8. http://telnet@lsr1-gdr.ki/#show
> 9. http://173.194.40.0/24
> 10. http://173.194.40.0/24
> 11. http://telnet@lsr1-gdr.ki/#show
> 12. http://173.194.40.0/24
> 13. mailto:foundry-nsp at puck.nether.net
> 14. http://puck.nether.net/mailman/listinfo/foundry-nsp
> 15. mailto:foundry-nsp at puck.nether.net
> 16. http://puck.nether.net/mailman/listinfo/foundry-nsp
> 17. mailto:wp at null0.nl
--
MINO-RIPE
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