linux - pppd: peer 拒绝同意我们的 IP 地址

Question

我正在尝试通过通过 USB 连接到嵌入式 Linux 板(没有网络管理器)CC3200 的 Telit 调制解调器访问数据。

我已经插入了所有需要的驱动程序，并且我正在使用 PPP 守护程序将此 ttyACM0 设备连接到 ppp 接口(interface)，以便我可以通过 ppp 接口(interface)访问网络。

两天前，我能够成功连接到网络并 ping google.com。但我没能弄清楚到底是什么让它起作用，不幸的是我失去了工作设置。

现在 ppp peer 拒绝就 IP 达成一致。

我点击此链接进行 ppp 设置:http://www.techytalk.info/manage-gsm-mobile-broadband-connections-without-network-manager-ubuntu-mint-debian/我正在尝试不进行身份验证。我还在选项文件中添加了“nodeflate nomagic and demand”。

以下是 pppd 日志:

May  6 13:45:58 (none) daemon.notice pppd[1564]: pppd 2.4.6 started by root, uid 0
May  6 13:45:58 (none) daemon.info pppd[1564]: Using interface ppp0
May  6 13:45:58 (none) daemon.notice pppd[1564]: local  IP address 10.64.64.64
May  6 13:45:58 (none) daemon.notice pppd[1564]: remote IP address 10.112.112.112
May  6 13:45:58 (none) daemon.info pppd[1564]: Starting link
May  6 13:46:02 (none) daemon.debug pppd[1564]: Script /usr/local/sbin/chat -v -f /etc/chatscripts/ispname finished (pid 1589), status = 0x0
May  6 13:46:02 (none) daemon.info pppd[1564]: Serial connection established.
May  6 13:46:02 (none) daemon.debug pppd[1564]: using channel 1
May  6 13:46:02 (none) daemon.notice pppd[1564]: Connect: ppp0 <--> /dev/ttyACM0
May  6 13:46:03 (none) daemon.debug pppd[1564]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x52181044> <pcomp> <accomp>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <accomp>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: sent [LCP ConfRej id=0x1 <magic 0x52181044> <pcomp>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <accomp>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: rcvd [LCP ConfReq id=0x2 <asyncmap 0x0> <accomp>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: sent [LCP ConfAck id=0x2 <asyncmap 0x0> <accomp>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: sent [LCP EchoReq id=0x0 magic=0x0]
May  6 13:46:03 (none) daemon.debug pppd[1564]: sent [CCP ConfReq id=0x1 <bsd v1 15>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
May  6 13:46:03 (none) daemon.debug pppd[1564]: rcvd [LCP EchoRep id=0x0 magic=0x0]
May  6 13:46:03 (none) daemon.debug pppd[1564]: rcvd [LCP ProtRej id=0x3 80 fd 01 01 00 07 15]
May  6 13:46:03 (none) daemon.debug pppd[1564]: Protocol-Reject for 'Compression Control Protocol' (0x80fd) received
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: rcvd [IPCP ConfReq id=0x1]
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP ConfNak id=0x1 <addr 10.112.112.112>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: rcvd [IPCP ConfRej id=0x1 <addr 0.0.0.0>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP ConfReq id=0x2 <addrs 0.0.0.0 10.112.112.112> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: rcvd [IPCP ConfReq id=0x2 <addr 10.112.112.112>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP ConfAck id=0x2 <addr 10.112.112.112>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: rcvd [IPCP ConfRej id=0x2 <addrs 0.0.0.0 10.112.112.112>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP ConfReq id=0x3 <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: rcvd [IPCP ConfNak id=0x3 <ms-dns1 125.22.47.102> <ms-dns2 59.144.144.46>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP ConfReq id=0x4 <ms-dns1 125.22.47.102> <ms-dns2 59.144.144.46>]
May  6 13:46:06 (none) daemon.debug pppd[1564]: rcvd [IPCP ConfAck id=0x4 <ms-dns1 125.22.47.102> <ms-dns2 59.144.144.46>]
May  6 13:46:06 (none) daemon.err pppd[1564]: Peer refused to agree to our IP address
May  6 13:46:06 (none) daemon.info pppd[1564]: Connect time 0.2 minutes.
May  6 13:46:06 (none) daemon.info pppd[1564]: Sent 549 bytes, received 238 bytes.
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP TermReq id=0x5 "Refused our IP address"]
May  6 13:46:06 (none) daemon.debug pppd[1564]: rcvd [IPCP TermReq id=0x3 "Could not determine remote IP address"]
May  6 13:46:06 (none) daemon.debug pppd[1564]: sent [IPCP TermAck id=0x3]
May  6 13:46:06 (none) daemon.info pppd[1564]: Hangup (SIGHUP)
May  6 13:46:06 (none) daemon.notice pppd[1564]: Modem hangup
May  6 13:46:06 (none) daemon.notice pppd[1564]: Connection terminated.

为什么协议(protocol)拒绝正在接收。如何克服它。 nodeflate 没有帮助。为什么同行拒绝就 IP 达成一致。在工作状态下，对端本身建议 IP 在 100.xxx.xxx.xxx 范围内。

下面是路由输出

~ # route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface
10.112.112.113  *               255.255.255.255 UH    0      0        0 ppp0
127.160.0.0     *               255.255.255.252 U     0      0        0 eth0
192.xxx.xxx.xx  *               255.255.255.0   U     0      0        0 eth0
default         *               0.0.0.0         U     0      0        0 ppp0

以下是对 pppd 命令有效的选项:

~ # /mnt/mmc/pppversions/pppd-6 dryrun
pppd options in effect:
debug           # (from /etc/ppp/options)
holdoff 5               # (from /etc/ppp/options)
persist         # (from /etc/ppp/options)
demand          # (from /etc/ppp/options)
dryrun          # (from command line)
noauth          # (from /etc/ppp/options)
/dev/ttyACM0            # (from /etc/ppp/options)
115200          # (from /etc/ppp/options)
lock            # (from /etc/ppp/options)
connect /usr/local/sbin/chat -v -f /etc/chatscripts/ispname             # (from                                                                                                                                                                                              /etc/ppp/options)
crtscts         # (from /etc/ppp/options)
modem           # (from /etc/ppp/options)
asyncmap 0              # (from /etc/ppp/options)
nomagic         # (from /etc/ppp/options)
nopcomp         # (from /etc/ppp/options)
lcp-echo-failure 50             # (from /etc/ppp/options)
lcp-echo-interval 65535         # (from /etc/ppp/options)
lcp-max-configure 50            # (from /etc/ppp/options)
novj            # (from /etc/ppp/options)
novjccomp               # (from /etc/ppp/options)
noipdefault             # (from /etc/ppp/options)
defaultroute            # (from /etc/ppp/options)
usepeerdns              # (from /etc/ppp/options)
nodeflate               # (from /etc/ppp/options)
~ #

Answer 1

我几天前得到了答案。我正在使用需要为 2 的 pdp contex 1。喜欢:

'OK' 'AT+CGDCONT=2,"IP","ispapn"'

因为 contex 1 是保留的。