[bess] rfc9251
Nitsan Dolev <Nitsan.Dolev@rbbn.com> Sun, 17 March 2024 12:47 UTC
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From: Nitsan Dolev <Nitsan.Dolev@rbbn.com>
To: "sajassi@cisco.com" <sajassi@cisco.com>, "sthoria@cisco.com" <sthoria@cisco.com>, "mankamis@cisco.com" <mankamis@cisco.com>, "keyur@arrcus.com" <keyur@arrcus.com>, "jdrake@juniper.net" <jdrake@juniper.net>, "wlin@juniper.net" <wlin@juniper.net>, "bess@ietf.org" <bess@ietf.org>
CC: Alexander Vainshtein <Alexander.Vainshtein@rbbn.com>, Ron Sdayoor <Ron.Sdayoor@rbbn.com>
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Date: Sun, 17 Mar 2024 12:47:22 +0000
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Subject: [bess] rfc9251
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Dear RFC9251 Co-authors, Your help with the following questions will be most appreciated, RFC 9251 seems to assume that the receiving PE will forward: 1. (S,G1) traffic only to those host who explicitly sent IGMPv3 report (S,G1) and those who sent IGMPv3 Report (*,G1) 2. (*,G1) traffic only to those host who explicitly sent IGMPv3 report (*,G1) IGMPv2(G1) Is this indeed the assumption? Does it mean that the receiving PE shall do an IP Multicast lookup ? i.e. Has MFIB entry with (S,G1)==> OIF( a, b, c ..) for all local AC ports from which IGMPv3 Report (S,G1) OR (*,G1)==> OIF( a, b, c ..) for all local AC ports from which IGMPv3 Report (*,G1) or IGMPv2 report (G1) Another issue: Referring to https://www.rfc-editor.org/rfc/rfc9251.html#name-proxy-querier It says that "As mentioned in the previous sections, each PE MUST have proxy querier functionality for the following reasons: 1. to enable the collection of EVPN PEs providing Layer 2 Virtual Private Network (L2VPN) service to act as a distributed multicast router with an anycast IP address for all attached hosts in that subnet 2. to enable suppression of IGMP Membership Reports and Membership Queries over MPLS/IP core" What shall be the source IP address of the IGMP queries? Possible Alternatives: 1. The source IP of one of the Routers on the related PE BD (if exists). 2. Some preconfigured dummy IRB Router Anycast IP address ? Looking forward to getting your response, Nitsan Dolev Elfassy Ribbon Communications Disclaimer This e-mail together with any attachments may contain information of Ribbon Communications Inc. and its Affiliates that is confidential and/or proprietary for the sole use of the intended recipient. Any review, disclosure, reliance or distribution by others or forwarding without express permission is strictly prohibited. If you are not the intended recipient, please notify the sender immediately and then delete all copies, including any attachments.
- [bess] rfc9251 Nitsan Dolev
- [bess] RFC9251 Nitsan Dolev
- Re: [bess] RFC9251 Mankamana Mishra (mankamis)
- Re: [bess] RFC9251 Nitsan Dolev