next hop reachability

Hi All,

As far as I know in order to get place in routing table requires next hop
availability.As shown below 136.1.57.0 is in the routing table but there is
no clue how to go the next hop.If I do recursive lookup no reply returns
rote table.Any comment?
My second question if my vrf ping fails how can I perform
troobleshooting?Debug ip packet did not work.Any debug ip vrf packet or
something usefull might be very handy.

Rack1R4#show ip route vrf vpn_ab

Routing Table: vpn_ab
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static
route
       o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

     136.1.0.0/24 is subnetted, 2 subnets
C 136.1.44.0 is directly connected, FastEthernet0/1
B 136.1.57.0 [200/0] via 150.1.5.5, 00:29:33
Rack1R4#show ip route vrf vpn_ab 150.1.5.5
% Network not in table

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Received on Wed May 05 2010 - 00:41:10 ART