The Persist="no" line in
/etc/sysconfig/network-scripts/ifcfg-ppp0 no longer works.
The modem keeps dialing and dialing until kill -9 all the
PERSIST is case-sensitive. "Persist" won't work, and never would
PERSIST="no" doesn't work either
PERSIST defaults to "no". I've never seen this problem. I just
tested it here, both without any PERSIST line at all, and with
PERSIST=no, and in both cases, it doesn't persist. I need more
Now, PERSIST has *nothing* to do with redialing if the connection
was never established. PERSIST only is queried if the connection
was up in the first place and then came down.