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JunosE 11.3.x IP, IPv6, and IGP Configuration Guide
Platform Considerations
References
128
Indirect next hops enable multiple routes in the routing table to point to a single next
hop, thereby accelerating convergence. (See Figure 15 on page 128.)
NOTE: Indirect next hops are not limited to any number of levels. In other
words, an indirect next hop can point to a direct next hop or another indirect
next hop.
Figure 15: Indirect Next Hops
By using indirect next hops, if a topology change occurs in the network, only the indirect
next hop is modified in the routing table, decreasing the number of state changes required
to achieve convergence.
For information about modules that support IPv6 and Neighbor Discovery on the ERX7xx
models, ERX14xx models, and the ERX310 Broadband Services Routers:
See ERX Module Guide, Table 1, Module Combinations for detailed module specifications.
See ERX Module Guide, Appendix A, Module Protocol Support for information about the
modules that support IP.
For information about modules that support IP on the E120 and E320 Broadband Services
Routers:
See E120 and E320 Module Guide, Table 1, Modules and IOAs for detailed module
specifications.
See E120 and E320 Module Guide, Appendix A, IOA Protocol Support for information
about the modules that support IP.
For more information about IPv6, consult the following resources:
RFC 2373—IP Version 6 Addressing Architecture (July 1998)
RFC 2460—Internet Protocol, Version 6 (IPv6) (December 1998)
RFC 2461—Neighbor Discovery for IP Version 6 (IPv6) (December 1998)
RFC 2462—IPv6 Stateless Address Autoconfiguration (December 1998)
RFC 2463—Internet Control Message Protocol (ICMPv6) for the Internet Protocol
Version 6 (IPv6) Specification (December 1998)
Copyright © 2010, Juniper Networks, Inc.
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