Hi Dear,
You wrote " cisco 4507 PBR configured " but as per your question it seems that PBR is not configured or may configured but not working. Please share your configuration that will create better understanding to sort-out the issue. Before you share config I have some example similer to you requirment, please match your configuration with below example, I hope it will help you:
access-list 101 permit ip x.x.x.x
access-list 102 permit ip y.y.y.y
route-map PBR-Pri permit 10
match ip address 101
set ip next-hop (prmary link)
route-map PBR-Sec permit 10
match ip address 102
set ip next-hop (Secondary link)
interface fa 1/0
description *** VLAN 1 ****
ip address x.x.x.x 255.255.255.x
ip policy route-map PBR-Pri
interface fa 1/1
description *** VLAN 2 ****
ip address x.x.x.x 255.255.255.x
ip policy route-map PBR-Sec
Always rate helpfull posts.
Sajid Ali Pathan