No internet issue on one sub interface but works fine on other sub interface

[Roby_Sreejith]

I am having a simple setup.

I have created a new virtual router.

Added 2 sub interfaces. ( 1/1.320 and 1/1.340)

Added default route.

Can not ping ISP next hop. No block on logs. But Bytes received 0.

I have connected my other ASA router to the switch which is connecting ISP everything works fine.

Then I have made the same setup with e ½ sub interface and added in virtual route and it started working. Is it some kind of bug?

7.0.4 s the version

[reaper]

Can you share some of your actual config ? 

Did you make sure to add proper IP addresses to your sub interfaces, did you set them up as layer3, are they tagged according to the vlan's they represent, is the MAC address showing up in the arp table of your ISP router