Enabling and disabling IPv6 router advertisements.................................................................................................................................................... 174
IPv6 router advertisement preference support..............................................................................................................................................................174
Conguring reachable time for remote IPv6 nodes.....................................................................................................................................................175
IPv6 MTU............................................................................................................................................................................................................................................... 175
Conguration notes and feature limitations for IPv6 MTU....................................................................................................................................... 175
Changing the IPv6 MTU......................................................................................................................................................................................................... 176
Static neighbor entries conguration........................................................................................................................................................................................... 176
Limiting the number of hops an IPv6 packet can traverse.................................................................................................................................................177
IPv6 source routing security enhancements............................................................................................................................................................................ 177
TCAM space on FCX device conguration...............................................................................................................................................................................177
Allocating TCAM space for IPv4 routing information................................................................................................................................................. 178
Allocating TCAM space for GRE tunnel information...................................................................................................................................................178
Clearing global IPv6 information...................................................................................................................................................................................................178
Clearing the IPv6 cache...........................................................................................................................................................................................................178
Clearing IPv6 neighbor information....................................................................................................................................................................................179
Clearing IPv6 routes from the IPv6 route table.............................................................................................................................................................179
Clearing IPv6 trac statistics................................................................................................................................................................................................ 180
Displaying global IPv6 information.............................................................................................................................................................................................. 180
Displaying IPv6 cache information..................................................................................................................................................................................... 180
Displaying IPv6 interface information................................................................................................................................................................................181
Displaying IPv6 neighbor information...............................................................................................................................................................................182
Displaying the IPv6 route table ............................................................................................................................................................................................183
Displaying local IPv6 routers.................................................................................................................................................................................................185
Displaying IPv6 TCP information........................................................................................................................................................................................ 186
Displaying IPv6 trac statistics............................................................................................................................................................................................188
DHCP relay agent for IPv6..............................................................................................................................................................................................................191
Conguring DHCP for IPv6 relay agent........................................................................................................................................................................... 191
Enabling the interface-ID on the DHCPv6 relay agent messages........................................................................................................................ 192
Displaying DHCPv6 relay agent information..................................................................................................................................................................192
Displaying the DHCPv6 Relay congured destinations.............................................................................................................................................192
Displaying the DHCPv6 Relay information for an interface.....................................................................................................................................193
DHCPv6 Relay Agent Prex Delegation Notication...........................................................................................................................................................193
DHCPv6 Relay Agent Prex Delegation Notication limitations............................................................................................................................194
Upgrade and downgrade considerations..........................................................................................................................................................................195
Conguring DHCPv6 Relay Agent Prex Delegation Notication........................................................................................................................ 195
Displaying the DHCPv6 Relay Agent Prex Delegation Notication information...........................................................................................196
RIP.....................................................................................................................................................................................................................................201
RIP overview.......................................................................................................................................................................................................................................... 201
RIP parameters and defaults...........................................................................................................................................................................................................201
RIP global parameters..............................................................................................................................................................................................................201
RIP interface parameters.........................................................................................................................................................................................................203
Conguring RIP parameters............................................................................................................................................................................................................203
Enabling RIP.................................................................................................................................................................................................................................203
Conguring route costs............................................................................................................................................................................................................204
Changing the administrative distance................................................................................................................................................................................ 204
Conguring redistribution........................................................................................................................................................................................................204
Conguring route learning and advertising parameters............................................................................................................................................. 206
Changing the route loop prevention method.................................................................................................................................................................. 207
Suppressing RIP route advertisement on a VRRP or VRRPE backup interface.............................................................................................208
Conguring RIP route lters using prex-lists and route maps...............................................................................................................................208
FastIron Ethernet Switch Layer 3 Routing
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