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ICMPv6
ICMPv6 is supported on platforms c e s
ICMP for IPv6 combines the roles of ICMP, IGMP and ARP in IPv4. Like IPv4, it provides functions for
reporting delivery and forwarding errors, and provides a simple echo service for troubleshooting. The
FTOS implementation of ICMPv6 is based on RFC 2463.
Generally, ICMPv6 uses two message types:
• Error reporting messages indicate when the forwarding or delivery of the packet failed at the
destination or intermediate node. These messages include Destination Unreachable, Packet Too Big,
Time Exceeded and Parameter Problem messages.
• Informational messages provide diagnostic functions and additional host functions, such as Neighbor
Discovery and Multicast Listener Discovery. These messages also include Echo Request and Echo
Reply messages.
The FTOS
ping and traceroute commands extend to support IPv6 addresses. These commands use ICMPv6
Type-2 messages.
Path MTU Discovery
IPv6 MTU Discovery is supported on platforms c e s
PIM-SSM for IPv6 7.5.1 8.2.1 8.4.2 8.4.2 IPv6 Multicast in this chapter
IPv6 PIM in the FTOS Command Line
Reference Guide
MLDv1/v2 7.4.1 8.2.1 8.4.2 8.4.2 IPv6 Multicast in this chapter
Multicast IPv6 in the FTOS Command Line
Reference Guide
MLDv1 Snooping 7.4.1 8.2.1 8.4.2 8.4.2 IPv6 Multicast in this chapter
Multicast IPv6 in the FTOS Command Line
Reference Guide
MLDv2 Snooping 8.3.1.0 8.3.1.0 8.4.2 8.4.2 IPv6 Multicast in this chapter
Multicast IPv6 in the FTOS Command Line
Reference Guide
IPv6 QoS
trust DSCP values 7.4.1 8.2.1 8.4.2 8.4.2 QoS for IPv6 in this chapter
Table 22-2. FTOS and IPv6 Feature Support (continued)