I am seeing some multilink behavior with pppd that I am not
sure whether this is expected behavior.

I start two links sharing the same bundle (ppp0).  If the
second link goes down, I can still ping over the first link.
If the second link comes back up, it re-joins the bundle,
and the bundle continues to work.

However, if the first link goes down, ping stops working on
the second link.  I notice that ppp0 takes the IP network
entry down with it.

Is this expected behavior?  Or am I configuring something
wrong to cause this behavior? Is there a way to start pppd's
so that the bundle continues to work after a link failure on 
any of the two links?

Here are my config options:
Link 1:
-------
local
10.10.1.2:10.10.1.1
netmask 255.255.255.0
noauth
persist
sync
bundle mlink1
multilink
unit 0
lcp-echo-interval 10
lcp-echo-failure 3                      


Link 2:
-------
local
noauth
persist
sync
debug
kdebug 7
bundle mlink1
multilink
unit 0
lcp-echo-failure 3
lcp-echo-interval 10
logfile /var/log/ttySL2.log                 


I am using pppd (2.4.0-b2) with two sets of Microgate Synclink
Serial boards running back-to-back on two PCs running Linux 
2.4.0-test2 kernel.

Thanks in advance,

Koral

-- 
Koral Ilgun
Software Engineer
Occam Networks, Inc.

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