Reference Guide

348 | IPv6 Addressing
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Figure 17-3. NDP Router Redistribution
IPv6 Neighbor Discovery of MTU packets
With FTOS 8.3.1.0, you can set the MTU advertised through the RA packets to incoming routers, without
altering the actual MTU setting on the interface. The
ip nd mtu command sets the value advertised to
routers. It does not set the actual MTU rate. For example, if
ip nd mtu is set to 1280, the interface will still
pass 1500-byte packets, if that is what is set with the
mtu command.
QoS for IPv6
IPv6 QoS is supported on platforms e
FTOS IPv6 supports quality of service based on DSCP field. You can configure FTOS to honor the DSCP
value on incoming routed traffic and forward the packets with the same value.
IPv6 Multicast
IPv6 Multicast is supported only on platform e
FTOS supports the following protocols to implement IPv6 multicast routing:
Network 2001:db8::1428:57abNetwork 2001:db8::1428:57ab
Router C
Router A
Router B
Send a Packet to
Network 2001:db8::1428:57ab
Local Link
Packet Destination (2001:db8::1428:57ab)
ICMPv6 Redirect (Data: Use Router C)
Packet Destination (Destination 2001:db8::1428:57ab)