Enabling Recursive Next Hop Resolution

To enable recursive next-hop resolution:

Navigate to the context of the route-map being configured.

SLX # route-map r999 permit 10
SLX (config-route-map-r999/permit/10)#

Configure the match statement to permit the IPv4/IPV6 address through ACL.

SLX (config-route-map-r999/permit/10)# match ip address acl test1
SLX (config-route-map-r999/permit/10)# match ipv6 address acl test1

Configure the next-hop addresses.

SLX (config-route-map-r999/permit/10)# set ip next-hop 10.10.10.11
SLX (config-route-map-r999/permit/10)# set ipv6 next-hop 2001:db8:0:0:0:ff00:42:1122

Enable Recursive Next Hop Resolution.

SLX (config-route-map-r999/permit/10)# next-hop-recursion
SLX (config-route-map-r999/permit/10)#

Exit out of the route-map context.
```
SLX (config-route-map-r999/permit/10)# exit
SLX # 
```
Recursive Next Hop Resolution is configured on this route-map.

Verify your configuration using the show route-map or the show route-map interface command.

If recursive route is selected, actual next-hop also will be displayed. Here in the below output, 10.10.10.1 is the actual next-hop for the recursive route.

SLX# show route-map r1
Interface Ethernet 0/17
ip policy route-map r1 permit 10 (Active)
    match ip address acl test1
    set ip next-hop 4.4.4.4 (selected) (recursive)
        next-hop 10.10.10.1
    Policy routing matches: 1543 packets    

SLX# show route-map interface eth 0/17
Interface Ethernet 0/17
ip policy route-map r1 permit 10 (Active)
    match ip address acl test1
    set ip next-hop 4.4.4.4 (selected) (recursive)
        next-hop 10.10.10.1
    Policy routing matches: 1543 packets    

SLX#

SLX# show route-map interface ethernet 1/6
Interface Ethernet 1/6 
Ipv6 policy route-map r1 permit 10 (Active) 
    match ipv6 address acl test1 
    set ipv6 next-hop 2001:db8:0:0:0:ff00:42:8329 (selected) (recursive)
        next-hop 2001:db:0:0:0:ff11:32:1122
    Policy routing matches: 313229543 packets