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bersace
What's DOS?
Posts: 1
Registered: ‎06-23-2017
Location: FR
Views: 254
Message 1 of 1

No traffic from EM7455

Hi,

 

I'm running an X260 and added an EM7455 module. I tested with two SIM from two diffrent operators and the result is the same : I get an IP but can't get ping to work. I can't event ping the gateway.

 

iptables looks good

 

# iptables -L
Chain INPUT (policy ACCEPT)
target     prot opt source               destination
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:domain
ACCEPT     udp  --  anywhere             anywhere             udp dpt:domain
ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:bootps
ACCEPT     udp  --  anywhere             anywhere             udp dpt:bootps

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination
DOCKER-ISOLATION  all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
DOCKER     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
DOCKER     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere
ACCEPT     all  --  anywhere             anywhere

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain DOCKER (2 references)
target     prot opt source               destination
ACCEPT     udp  --  anywhere             172.17.0.4           udp dpt:domain
ACCEPT     tcp  --  anywhere             172.18.0.2           tcp dpt:postgresql

Chain DOCKER-ISOLATION (1 references)
target     prot opt source               destination
DROP       all  --  anywhere             anywhere
DROP       all  --  anywhere             anywhere
RETURN     all  --  anywhere             anywhere

mmcli looks ok too :

 

# mmcli -m 12

/org/freedesktop/ModemManager1/Modem/12 (device id '45f23ec51eefee09296723ecc06f7ea5e7dabf29')
  -------------------------
  Hardware |   manufacturer: 'Sierra'
           |          model: 'MBIM [1199:9079]'
           |       revision: 'SWI9X30C_02.20.03.00'
           |      supported: 'gsm-umts, lte'
           |        current: 'gsm-umts, lte'
           |   equipment id: '014582002802628'
  -------------------------
  System   |         device: '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-3'
           |        drivers: 'cdc_mbim, qcserial'
           |         plugin: 'Sierra'
           |   primary port: 'cdc-wdm1'
           |          ports: 'ttyUSB0 (qcdm), ttyUSB2 (at), wwp0s20f0u3i12 (net), cdc-wdm1 (mbim)'
  -------------------------
  Numbers  |           own : '+33769942947'
  -------------------------
  Status   |           lock: 'none'
           | unlock retries: 'sim-pin2 (3)'
           |          state: 'registered'
           |    power state: 'on'
           |    access tech: 'gprs'
           | signal quality: '12' (cached)
  -------------------------
  Modes    |      supported: 'allowed: 3g, 4g; preferred: none'
           |        current: 'allowed: 3g, 4g; preferred: none'
  -------------------------
  Bands    |      supported: 'unknown'
           |        current: 'unknown'
  -------------------------
  IP       |      supported: 'ipv4, ipv6, ipv4v6'
  -------------------------
  3GPP     |           imei: '01458200XXXXXXXX'
           |  enabled locks: 'fixed-dialing'
           |    operator id: '20801'
           |  operator name: 'Free'
           |   subscription: 'unknown'
           |   registration: 'roaming'
  -------------------------
  SIM      |           path: '/org/freedesktop/ModemManager1/SIM/0'

  -------------------------
  Bearers  |          paths: '/org/freedesktop/ModemManager1/Bearer/0'

I'm wondering what's wrong. Is the operator filtering the IMEI ? How to debug that ?

 

Thanks for your help !

 

Regards,

Étienne

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