Hi,
In order to do source routing, is connection manager a must?

I want to connect from a database (Say A) which is behind a firewall to a database B outside firewall. But firewall allows database connections out only to a database on server C. Now if i have to create a dblink from serverA to server B is it a must that I should run connection manager on C?
I tried following TNS entry but its not working
SRPD60PR =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (COMMUNITY = COM1)(PROTOCOL = TCP)(HOST = C)(PORT = 1521))
(ADDRESS = (COMMUNITY = COM2)(PROTOCOL = TCP)(HOST = B)(PORT = 1521))
)
(CONNECT_DATA =
(SID = SRPD60PR)
)
(SOURCE_ROUTE = YES)
)

Thanks
Manohar