HP VPN Firewall Appliances Appendix Protocol Reference

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Table Of Contents

Title Page
Contents
IP routing basics
- Routing table
- Dynamic routing protocols
- Route preference
- Load sharing
- Route backup
- Route recursion
- Route redistribution
Static routing
Default route
RIP
- Overview
- RIP operation
- RIP versions
- RIP message format
- Supported RIP features
- Protocols and standards
OSPF
- Overview
- OSPF packets
- LSA types
- OSPF area
- Router types
- Route types
- Route calculation
- OSPF network types
- DR and BDR
  - DR and BDR election
- Protocols and standards
IS-IS
- Overview
- Terminology
- IS-IS address format
- NET
- IS-IS area
  - Level-1 and Level-2
  - Route leaking
- IS-IS network types
  - Network types
  - DIS and pseudonodes
- IS-IS PDUs
- Supported IS-IS features
- Protocols and standards
BGP
- BGP speaker and BGP peer
- BGP message types
- BGP path attributes
- BGP route selection
- BGP route advertisement rules
- BGP load balancing
- Settlements for problems in large-scale BGP networks
- MP-BGP
  - MP-BGP extended attributes
  - Address family
- BGP configuration views
- Protocols and standards
IPv6 static routing
IPv6 default route
RIPng
- Overview
- RIPng working mechanism
- RIPng packet format
  - Basic format
  - RTE format
- RIPng packet processing procedure
  - Request packet
  - Response packet
- Protocols and standards
OSPFv3
- Overview
- Packets
- LSA types
- Timers
- Supported features
- Protocols and standards
IPv6 IS-IS
- Overview
IPv6 BGP
Multicast overview
- Overview
- Multicast models
- Multicast architecture
  - Multicast addresses
    - IP multicast addresses
    - Ethernet multicast MAC addresses
  - Multicast protocols
- Multicast packet forwarding mechanism
Multicast routing and forwarding
- Overview
- RPF check mechanism
  - RPF check process
  - RPF check implementation in multicast
- Static multicast routes
  - Changing an RPF route
  - Creating an RPF route
- Multicast forwarding across unicast subnets
- Multicast traceroute
IGMP
- Overview
- IGMP versions
- IGMPv1 overview
- IGMPv2 overview
  - Querier election mechanism
  - "Leave group" mechanism
- IGMPv3 overview
  - Enhancements in control capability of hosts
  - Enhancements in query and report capabilities
- IGMP SSM mapping
- IGMP proxying
- Protocols and standards
PIM
- Overview
- PIM-DM overview
- PIM-SM overview
- Administrative scoping overview
  - Relationship between admin-scoped zones and the global-scoped zone
- PIM-SSM overview
- Relationship among PIM protocols
- Protocols and standards
MSDP
- Overview
- How MSDP works
- Protocols and standards
IPv6 multicast routing and forwarding
- Overview
- RPF check mechanism
- RPF check implementation in IPv6 multicast
- IPv6 multicast forwarding across IPv6 unicast subnets
IPv6 PIM
- Overview
- IPv6 PIM-DM overview
- IPv6 PIM-SM overview
- IPv6 PIM-SSM overview
- Relationship among IPv6 PIM protocols
- Protocols and standards
MLD
- Overview
- MLD versions
- How MLDv1 works
- How MLDv2 works
- MLD message types
  - MLD query message
  - MLD report message
- MLD SSM mapping
- MLD proxying
- Protocols and standards
Support and other resources
- Contacting HP
  - Subscription service
- Related information
  - Documents
  - Websites
- Conventions
Index

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Figure 73 Relationship in view of geographical locations

As shown in Figure 73, for the IPv6 multicast groups with the same scope field value, the IPv6

admin-scoped zones must be geographically separated and isolated. The IPv6 global-scoped

zone includes all routers in the IPv6 PIM-SM domain. IPv6 multicast packets that do not belong to

any IPv6 admin-scoped zones are forwarded in the entire IPv6 PIM-SM domain.

• In view of the scope field values

In terms of the scope field values, the scope field in an IPv6 multicast group address shows which

zone the IPv6 multicast group belongs to.

Figure 74 IPv6 multicast address format

An IPv6 admin-scoped zone with a larger scope field value contains an IPv6 admin-scoped zone

with a smaller scope field value. The zone with the scope field value of E is the IPv6 global-scoped

zone. Table 14 lists th

e possible values of the scop

e field.

Table 14 Values of the Scope field

Value Meanin

Remarks

0, F Reserved N/A

1 Interface-local scope N/A

2 Link-local scope N/A

3 Subnet-local scope IPv6 admin-scoped zone.

4 Admin-local scope IPv6 admin-scoped zone.

5 Site-local scope IPv6 admin-scoped zone.

6, 7, 9 through D Unassigned IPv6 admin-scoped zone.