root@ZhuoTK:/# insmod qmi_wwan_q.ko qmap_mode=1
[ 1367.200000] usbcore: registered new interface driver qmi_wwan_q
[ 1383.840000] usb 1-1.3: new high-speed USB device number 7 using ehci-platform
[ 1384.080000] qmi_wwan_q 1-1.3:1.4: cdc-wdm0: USB WDM device
[ 1384.080000] qmi_wwan_q 1-1.3:1.4: Quectel Android work on RawIP mode
[ 1384.100000] qmi_wwan_q 1-1.3:1.4: rx_urb_size = 4096
[ 1384.100000] qmi_wwan_q 1-1.3:1.4 wwan0: register 'qmi_wwan_q' at usb-101c0000.ehci-1.3, WWAN/QMI device, da:0b:ce:b2:db:21

root@ZhuoTK:/# quectel-CM -s cmnet &
[04-13_03:41:28:144] Quectel_QConnectManager_Linux_V1.6.0.25
[04-13_03:41:28:146] Find /sys/bus/usb/devices/1-1.3 idVendor=0x2c7c idProduct=0x125, bus=0x001, dev=0x007
[04-13_03:41:28:148] Auto find qmichannel = /dev/cdc-wdm0
[04-13_03:41:28:148] Auto find usbnet_adapter = wwan0
[04-13_03:41:28:148] netcard driver = qmi_wwan_q, driver version = V1.2.0.23
[04-13_03:41:28:149] qmap_mode = 1, qmap_version = 5, qmap_size = 4096, muxid = 0x81, qmap_netcard = wwan0
[04-13_03:41:28:150] Modem works in QMI mode
[04-13_03:41:28:158] cdc_wdm_fd = 7
[04-13_03:41:28:238] Get clientWDS = 4
[04-13_03:41:28:271] Get clientDMS = 1
[04-13_03:41:28:302] Get clientNAS = 4
[04-13_03:41:28:334] Get clientUIM = 1
[04-13_03:41:28:365] Get clientWDA = 1
[04-13_03:41:28:397] requestBaseBandVersion EC25EFAR06A11M4G
[04-13_03:41:28:430] qmap_settings.rx_urb_size = 4096
[ 1393.530000] net wwan0: ul_data_aggregation_max_datagrams=11, ul_data_aggregation_max_size=4096, dl_minimum_padding=0
[04-13_03:41:28:431] qmap_settings.ul_data_aggregation_max_datagrams  = 11
[04-13_03:41:28:431] qmap_settings.ul_data_aggregation_max_size       = 4096
[04-13_03:41:28:431] qmap_settings.dl_minimum_padding                 = 0
[04-13_03:41:28:557] requestGetSIMStatus SIMStatus: SIM_READY
[04-13_03:41:28:558] requestSetProfile[1] cmnet///0
[04-13_03:41:28:622] requestGetProfile[1] cmnet///0
[04-13_03:41:28:654] requestRegistrationState2 MCC: 460, MNC: 0, PS: Attached, DataCap: LTE
[04-13_03:41:28:685] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED
[ 1393.790000] net wwan0: link_state 0x1 -> 0x0
[04-13_03:41:28:692] ifconfig wwan0 0.0.0.0
[04-13_03:41:28:703] ifconfig wwan0 down
[04-13_03:41:28:751] requestSetupDataCall WdsConnectionIPv4Handle: 0x8729a6b0
[ 1393.980000] net wwan0: link_state 0x0 -> 0x1
[04-13_03:41:28:882] ifconfig wwan0 up
[04-13_03:41:28:895] you are use OpenWrt?
[04-13_03:41:28:895] should not calling udhcpc manually?
[04-13_03:41:28:895] should modify /etc/config/network as below?
[04-13_03:41:28:896] config interface wan
[04-13_03:41:28:896] 	option ifname	wwan0
[04-13_03:41:28:896] 	option proto	dhcp
[04-13_03:41:28:896] should use "/sbin/ifstaus wan" to check wwan0 's status?
[04-13_03:41:28:896] busybox udhcpc -f -n -q -t 5 -i wwan0
[04-13_03:41:28:907] udhcpc (v1.23.2) started
[04-13_03:41:28:919] Sending discover...
[04-13_03:41:28:925] Sending select for 10.129.198.20...
[04-13_03:41:28:929] Lease of 10.129.198.20 obtained, lease time 7200
[04-13_03:41:28:934] udhcpc: ifconfig wwan0 10.129.198.20 netmask 255.255.255.248 broadcast +
[04-13_03:41:28:949] udhcpc: setting default routers: 10.129.198.21

