ZyXEL Communications MAX218M Support Note page 3

39. Why is the modulation being fixed at QPSK1/2, even at very good RSSI/CINR? .. 17
40. How do we check whether the CPE sends out an EAP request? ......................... 17
41. How do we know if the CPE uses EAP-TTLS or EAP-TLS? ..................................... 17
42. How to check current connected BS ID? .............................................................. 17
43. How to check the current downlink and uplink modulation? ............................. 18
44. Does MAX218M fully support MIMO mode? ...................................................... 18
45. Can we use static modulation for IOT test? ......................................................... 18
46. What is the Modulation CINR threshold criterion? ............................................. 18
47. How do we check neighbor BS? ........................................................................... 18
48. How to check maximum DL/UL traffic rate profile that ISPs assign to user? ...... 19
49. How to change WiMAX WAN MTU size? ............................................................. 19
50. How can we debug DHCP issues? (Discover/offer/request/ACK message.) ........ 20
51. How to debug VoIP issues? .................................................................................. 20
52. Does MAX218M support multicast? .................................................................... 20
53. How to lock NAP ID? ............................................................................................ 20
54. How to import a device certificate? ..................................................................... 20
55. How to export the device certificate? ................................................................. 20
56. What is the operating design of NAT: NAT/Bridge + Ethernet/PPPoE/GRE
tunnel/EtherIP tunnel? ................................................................................................ 21
57. How to check firmware version by command? ................................................... 21