Replicated Acctounting blocks replys

[Dalton Porter]

Hi,
I need a configuration that works as follows regarding accounting data:

NAS sends Accounting Request ->radius svr1
radius svr1 writes to acct db and sends Accounting Request -> radius svr2
radius svr1 sends Accounting Response back to NAS

Using my current configuration, I have defined a home server for the NULL realm
and in the accounting section of sites-enabled/default, I have added "replicate"

This sort of works, but when the response comes from radius svr2, it is rejected by
radius svr1, I believe because "replicate" is fire and forget.
In any case, an Accounting Response is never sent back to the NAS so the NAS
tries to start the process over.

I don't require an ACK response from svr2 to svr1, but I do need a response from svr1 to the NAS.

Is replicate the right way to go?

Freeradius version=radiusd: FreeRADIUS Version 2.1.12, for host x86_64-redhat-linux-gnu

sites-enabled/default (acct sections)
-----
preacct {
        preprocess
    update control {
    Replicate-To-Realm := 'NULL'
  }
        acct_unique
        suffix
        files
}
accounting {
        sql
  replicate
}

proxy.conf
--------------
home_server sv {
        type = acct
        ipaddr = 10.101.248.112
        port = 1813
        secret = testing123
        require_message_authenticator = yes
        response_window = 20
        zombie_period = 40
        revive_interval = 120
        status_check = status-server
        check_interval = 30
        num_answers_to_alive = 3
        max_outstanding = 65536
        coa {
                irt = 2
                mrt = 16
                mrc = 5
                mrd = 30
        }
}
home_server_pool sv_pool {
        type = fail-over
        home_server = sv
}
realm LOCAL {
}
realm NULL {
  acct_pool = sandvine_pool
}
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