Can any one help me on SS7 configuration. Actually i have configure ss7 with my cisco AS5400 IOS 124-11.T4 and the SS7 was in service normally (IS)
but after i have upgrade my ISO to 151-2.T1 the SS7 link on my E1 controller not up ( OS ).
I have to downgrade my cisco IOS to previous 124-11.T4 to make it work. Can you help me what was the issue may caused this?
Note: I have disable fraud ip list already.