# Monitoring Available IPv6 Routes for Reverse-Path Forwarding

#### Purpose

Display the IPv6 routes that the router can use for RPF. You can specify the IPv6 address and the network mask to view routes to a particular destination. You can use the detail keyword to view more detailed information about routes to a particular destination. You can specify a unicast routing protocol to view routes associated with that protocol.

#### Action

To display all IPv6 routes that the router can use for RPF:

    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

To display more detailed information about an IPv6 route to a particular destination:

    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

#### Meaning

Table 10 lists the show ipv6 rpf-route command output fields.

Table 10: show ipv6 rpf-route Output Fields

Field Name | Field Description
--- | ---
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 in JunosE Command Reference Guide.

#### Related Documentation

- Defining IPv6 Static Routes for Reverse-Path Forwarding
- show ipv6 rpf-route