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Re: [Idr] draft-ietf-idr-bgp-model

Linda Dunbar <linda.dunbar@futurewei.com> Thu, 15 August 2019 23:40 UTC

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From: Linda Dunbar <linda.dunbar@futurewei.com>
To: "Wanghaibo (Rainsword)" <rainsword.wang@huawei.com>, "draft-ietf-idr-bgp-model@ietf.org" <draft-ietf-idr-bgp-model@ietf.org>
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Thread-Topic: [Idr] draft-ietf-idr-bgp-model
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Date: Thu, 15 Aug 2019 23:40:46 +0000
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Subject: Re: [Idr] draft-ietf-idr-bgp-model
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Disclaimer:  I am not the author for this draft.

The document does say:
Additional modules or submodules to handle other aspects of BGP configuration,
including policy, VRFs, VPNs, and additional address families are also expected

Does it mean that VRF VPN1 for AS 100 and VRF VPN2 for AS200 can't yet be specified until the respective YANG Model document is specified?

I would think the following can be used to "realize the multiple BGP public instances" (missing the VPN part) as you requested?

<global>
   <as>100</as>
     <neighbor>
       <remote-address>2.2.2.2</remote-address>
       <afi-safis>
         <afi-safi>
           <afi-safi-name
            xmlns:bt="urn:ietf:params:xml:ns:yang:ietf-bgp-types">bt:l3vpn-ipv4-unicast
           </afi-safi-name>
        </afi-safi>
       </afi-safis>
    <neighbor>


  <as>200</as>
     <neighbor>
       <remote-address>3.3.3.3</remote-address>
       <afi-safis>
         <afi-safi>
           <afi-safi-name
            xmlns:bt="urn:ietf:params:xml:ns:yang:ietf-bgp-types">bt:l3vpn-ipv4-unicast
           </afi-safi-name>
        </afi-safi>
       </afi-safis>
    <neighbor>

</global>

Linda Dunbar


From: Idr <idr-bounces@ietf.org> On Behalf Of Wanghaibo (Rainsword)
Sent: Thursday, August 15, 2019 7:32 AM
To: draft-ietf-idr-bgp-model@ietf.org
Cc: idr@ietf.org
Subject: [Idr] draft-ietf-idr-bgp-model

Hi authors,

I have some question about the bgp model.

In current model, the bgp module will augment to routing,
     /rt:routing/rt:control-plane-protocols
               /rt:control-plane-protocol:
And the routing will schema mount to network-instance.

In this model, how to realize the multiple bgp public instance, like that

bgp instance 1 as-number 100
  neighbor 2.2.2.2
address-family vpn-ipv4
  vrf vpn1
neighbor 11.1.1.1
  address-family ipv4

bgp instance 2 as-number 200
  neighbor 3.3.3.3
address-family vpn-ipv4
  vrf vpn2
neighbor 12.1.1.1
  address-family ipv4

Bgp doesn't like ospf or isis, the vrf's bgp will associate to public bgp's special address family.
I'm not find how to describe the associate in current model

Best regards,
Haibo

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