HP VPN Firewall Appliances Appendix Protocol Reference

Table Of Contents
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Protocols and standards ················································································································································ 52
IPv6 IS-IS ····································································································································································· 53
Overview ········································································································································································· 53
IPv6 BGP ····································································································································································· 54
Multicast overview ····················································································································································· 55
Overview ········································································································································································· 55
Multicast overview ················································································································································· 55
Multicast features ··················································································································································· 57
Common notations in multicast ···························································································································· 58
Multicast advantages and applications ·············································································································· 58
Multicast models ····························································································································································· 59
Multicast architecture ····················································································································································· 59
Multicast addresses ··············································································································································· 60
Multicast protocols ················································································································································ 63
Multicast packet forwarding mechanism ····················································································································· 64
Multicast routing and forwarding ····························································································································· 65
Overview ········································································································································································· 65
RPF check mechanism ···················································································································································· 65
RPF check process ················································································································································· 65
RPF check implementation in multicast ················································································································ 66
Static multicast routes ····················································································································································· 67
Changing an RPF route ········································································································································· 67
Creating an RPF route ··········································································································································· 68
Multicast forwarding across unicast subnets ··············································································································· 69
Multicast traceroute ························································································································································ 69
Concepts in multicast traceroute ·························································································································· 69
Introduction to multicast traceroute packets ········································································································ 70
Process of multicast traceroute ····························································································································· 70
IGMP ··········································································································································································· 71
Overview ········································································································································································· 71
IGMP versions ································································································································································ 71
IGMPv1 overview ··························································································································································· 71
IGMPv2 overview ··························································································································································· 73
Querier election mechanism ································································································································ 73
"Leave group" mechanism ··································································································································· 73
IGMPv3 overview ··························································································································································· 73
Enhancements in control capability of hosts ······································································································· 74
Enhancements in query and report capabilities ································································································· 74
IGMP SSM mapping ······················································································································································ 75
IGMP proxying ······························································································································································· 76
Protocols and standards ················································································································································ 77
PIM ·············································································································································································· 78
Overview ········································································································································································· 78
PIM-DM overview ··························································································································································· 78
Neighbor discovery ·············································································································································· 79
SPT building ··························································································································································· 79
Graft········································································································································································ 80
Assert ······································································································································································ 80
PIM-SM overview ··························································································································································· 81
Neighbor discovery ·············································································································································· 82
DR election ····························································································································································· 82