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Re: [spring] https://tools.ietf.org/html/draft-ietf-bess-srv6-services-04

Rajesh M <mrajesh@juniper.net> Thu, 27 August 2020 06:56 UTC

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From: Rajesh M <mrajesh@juniper.net>
To: "gdawra.ietf@gmail.com" <gdawra.ietf@gmail.com>, "cfilsfil@cisco.com" <cfilsfil@cisco.com>, "robert@raszuk.net" <robert@raszuk.net>, "bruno.decraene@orange.com" <bruno.decraene@orange.com>, "zhuangshunwan@huawei.com" <zhuangshunwan@huawei.com>, "jorge.rabadan@nokia.com" <jorge.rabadan@nokia.com>
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Date: Thu, 27 Aug 2020 06:55:48 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/bgBbz_in4g_gt7sET8UcKeoPm0M>
Subject: Re: [spring] https://tools.ietf.org/html/draft-ietf-bess-srv6-services-04
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Sending it again.



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From: spring <spring-bounces@ietf.org> On Behalf Of Rajesh M
Sent: Saturday, August 22, 2020 8:43 AM
To: gdawra.ietf@gmail.com; cfilsfil@cisco.com; robert@raszuk.net; bruno.decraene@orange.com; zhuangshunwan@huawei.com; jorge.rabadan@nokia.com
Cc: spring@ietf.org
Subject: [spring] https://tools.ietf.org/html/draft-ietf-bess-srv6-services-04

[External Email. Be cautious of content]

5<https://urldefense.com/v3/__https:/tools.ietf.org/html/draft-ietf-bess-srv6-services-04*section-5__;Iw!!NEt6yMaO-gk!TZ1_c_CakbKuEYdXL_Wr1E0qNsD9LbXA6HMU_M2DQIT4UfAIr09QXsIIcfyxDZIY$>.  BGP based L3 service over SRv6
When the egress PE sets the next-hop to a value that is not covered by the SRv6 Locator from which the SRv6 Service SID is allocated,
then the ingress PE SHOULD perform reachability check for the SRv6 Service SID in addition to the BGP next-hop reachability procedures.


I think we should mention, few points for egress side
a) Recommended to set the bgp nexthop based upon locator.
b) All the service SIDs across vrfs(DT4,DT6...) must be derived from the same locator (this is independent of setting bgp nexthop)


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