Displaying Available Routes for Reverse-Path Forwarding

Use the show ipv6 rpf-route command to display all available routes, only the routes to a particular destination, or routes associated with a specific unicast protocol that the router can use for Reverse-Path Forwarding (RPF).

show ipv6 rpf-route

• Use to display routes that the router can use for RPF.
• Specify the IPv6 address and the network mask to view routes to a particular destination.
• Specify the detail keyword to view more detailed information about routes to a particular destination.
• Specify a unicast routing protocol to view routes associated with that protocol.
• Field descriptions
  • Protocol/Route type codes—Protocol and route type codes for the table that follows
  • Prefix—Value of the logical AND of the IPv6 address of the destination network and the subnet address
  • Length—Length of the subnet mask in bits
  • Type
    • Connect—Subnet directly connected to the interface
    • Static—Static route
  • Dst—Distance configured for this route
  • Met—Learned or configured cost associated with this route
  • Intf—Type of interface and interface specifier for the next hop. For details about interface types and specifiers, see Interface Types and Specifiers.
• Example 1

  host1#show ipv6 rpf-route 
  Protocol/Route type codes:
    O- OSPF, E1- external type 1, E2- external type2,
    N1- NSSA external type1, N2- NSSA external type2
    L- MPLS label, V- VR/VRF, *- indirect next-hop

           Prefix/Length             Type    Dst/Met         Intf        
  -------------------------------- --------- ------- --------------------
  11:1:1:10::/60                   Static    1/0     ATM2/0.300          
  21:2:2:20::/60                   Static    1/0     ATM2/0.300          
  31:2:2:20::/60                   Connect   0/0     ATM2/0.300          
  131:1:1:10::/60                  Connect   0/0     ATM2/1.1300         
  1000::/64                        Static    1/0     ATM2/0.300         

• Example 2

  host1#show ipv6 rpf-route 1000::/64 detail
  
  

  1000::/64 Type:Static  Distance:1  Metric:0
          NextHop:31:2:2:23::2:3  IntfIndex 18  Intf ATM2/0.300

• See show ipv6 rpf-route.

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