[f-nsp] Exported routes from VRF: lost BGP attributes

[Wouter Prins]

hi Alexander,

Have you tried redistributing vrf-a to vpnv4 and export it to vrf-b to see
if the bgp attributes are available?
AFAIK, import/export belongs to the vpnv4 afi and not to vrf-lite
functionality.


On 27 August 2014 14:38, Alexander Shikoff <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 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.
>
> telnet at lsr1-gdr.ki#show ip bgp vpnv4 route 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:
> > >
> > > telnet at lsr1-gdr.ki#show ip route vrf DTEL-IX 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       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:
> > > telnet at lsr1-gdr.ki#show ip bgp vrf Crimea-IX route 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      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:
> > >
> > > telnet at lsr1-gdr.ki#show ip bgp vrf DTEL-IX route 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
> > > foundry-nsp at puck.nether.net
> > > http://puck.nether.net/mailman/listinfo/foundry-nsp
> > >
>
> --
> MINO-RIPE
> _______________________________________________
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>



-- 
Wouter Prins
wp at null0.nl
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