No SSID Info Found Error While 4-way handshake post roaming

ashok samrat samrat.ashok87 at gmail.com
Thu Jul 14 22:24:50 PDT 2016


Hi all ,

We are currently using wpa_supplicant to perform certain roaming based
tests on WiFi Accesspoint.
Initially we connect the supplicant to 802.1x SSID using EAP-PEAP
authentication,
using the wpa_cli we are triggering roam to another AP. The EAP
Authentication is successful but the 4-way handshake fails with error
- "No SSID Info Found" and discards the EAPOL.

wlan0: RX EAPOL from 60:a8:fe:e7:b3:02
RX EAPOL - hexdump(len=121): 02 03 00 75 02 00 8a 00 10 00 00 00 00 00
00 00 01 0a 53 a8 68 5d 19 a7 98 c8 2a 6c a3 b4 a8 77 18 aa 3f 0c 76
07 6f cd a2 54 72 d4 98 65 39 9b 9d 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 16 dd 14 00 0f ac 04 0f
15 80 91 df 32 63 8d 1c d3 0d 79 da 59 42 28
EAPOL: Ignoring WPA EAPOL-Key frame in EAPOL state machines
wlan0: IEEE 802.1X RX: version=2 type=3 length=117
WPA: RX EAPOL-Key - hexdump(len=121): 02 03 00 75 02 00 8a 00 10 00 00
00 00 00 00 00 01 0a 53 a8 68 5d 19 a7 98 c8 2a 6c a3 b4 a8 77 18 aa
3f 0c 76 07 6f cd a2 54 72 d4 98 65 39 9b 9d 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 16 dd 14 00 0f
ac 04 0f 15 80 91 df 32 63 8d 1c d3 0d 79 da 59 42 28
wlan0:   EAPOL-Key type=2
wlan0:   key_info 0x8a (ver=2 keyidx=0 rsvd=0 Pairwise Ack)
wlan0:   key_length=16 key_data_length=22
  replay_counter - hexdump(len=8): 00 00 00 00 00 00 00 01
  key_nonce - hexdump(len=32): 0a 53 a8 68 5d 19 a7 98 c8 2a 6c a3 b4
a8 77 18 aa 3f 0c 76 07 6f cd a2 54 72 d4 98 65 39 9b 9d
  key_iv - hexdump(len=16): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  key_rsc - hexdump(len=8): 00 00 00 00 00 00 00 00
  key_id (reserved) - hexdump(len=8): 00 00 00 00 00 00 00 00
  key_mic - hexdump(len=16): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
wlan0: WPA: No SSID info found (msg 1 of 4)

Has anyone faced similar problems , please let me know if am doing
anything wrong.

Thanks
Ashok



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