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IPCP-Nak doesn't do anything



Hi,

I'm trying to get two PPP devices to work together to setup a PPP
connection.  I have control over one of them - meaning I can set whatever
options I please - but I can't control the other device, it's options are
hard-wired.

I think I've almost got them working because they pass the LCP request - ack
stage and enter the IPCP stage.  In the IPCP stage, my IPCP-Req is Ack'd, so
I'm halfway there.  Their IPCP-Req is received by me with IP-addr=0.0.0.0
and I respond with IPCP-Nak IP-addr=192.168.20.50.  All this seems correct
to me, but then the device doesn't accept my Nak and either re-sends its
original IPCP-Req or goes back to the LCP-Req stage.  

Does any have ideas on why this could happen or something I can try?

My log is below, Thanks for reading :)

# pppd file options.pppBCM nodetach
pppd options in effect:
debug           # (from options.pppBCM)
nodetach                # (from command line)
dump            # (from options.pppBCM)
noauth          # (from options.pppBCM)
/dev/ttyUSB1            # (from options.pppBCM)
9600            # (from options.pppBCM)
lock            # (from options.pppBCM)
nocrtscts               # (from options.pppBCM)
asyncmap ffffffff               # (from options.pppBCM)
192.168.30.1:192.168.30.50              # (from options.pppBCM)
nobsdcomp               # (from options.pppBCM)
nodeflate               # (from options.pppBCM)
using channel 21
Using interface ppp0
Connect: ppp0 <--> /dev/ttyUSB1
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
sent [LCP ConfReq id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfAck id=0x1 <magic 0xec2490cf> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x25 <asyncmap 0x0> <magic 0xa5a44a5a>]
sent [LCP ConfAck id=0x25 <asyncmap 0x0> <magic 0xa5a44a5a>]
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfReq id=0x27 <addr 0.0.0.0>]
sent [IPCP ConfNak id=0x27 <addr 192.168.30.50>]
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfReq id=0x28 <addr 0.0.0.0>]
sent [IPCP ConfNak id=0x28 <addr 192.168.30.50>]
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfReq id=0x2a <addr 0.0.0.0>]
sent [IPCP ConfNak id=0x2a <addr 192.168.30.50>]
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x1 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [LCP ConfReq id=0x2c <asyncmap 0x0> <magic 0xa5a44a5a>]
sent [LCP ConfReq id=0x2 <magic 0xae75be4b> <pcomp> <accomp>]
sent [LCP ConfAck id=0x2c <asyncmap 0x0> <magic 0xa5a44a5a>]
rcvd [LCP ConfAck id=0x2 <magic 0xae75be4b> <pcomp> <accomp>]
sent [IPCP ConfReq id=0x2 <compress VJ 0f 01> <addr 192.168.30.1>]
sent [IPCP ConfReq id=0x2 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x2 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfReq id=0x2d <addr 0.0.0.0>]
sent [IPCP ConfNak id=0x2d <addr 192.168.30.50>]
sent [IPCP ConfReq id=0x2 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x2 <compress VJ 0f 01> <addr 192.168.30.1>]
sent [IPCP ConfReq id=0x2 <compress VJ 0f 01> <addr 192.168.30.1>]
rcvd [IPCP ConfAck id=0x2 <compress VJ 0f 01> <addr 192.168.30.1>] 

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