Hi, My problem with my two bluetooth adapter is, it's possible to scan the area und I get the right result, but it isn't possible to execute l2ping? I've a desktop computer and my crappy linux watch ... only with the desktop i've hcidump yet. I hope it is something with the config wrong?! Franz DESKTOP: ======== [root@dervish root]# hciconfig -a hci0: Type: USB BD Address: 00:0F:3D:0B:EE:6C ACL MTU: 192:8 SCO MTU: 64:8 UP RUNNING PSCAN ISCAN AUTH ENCRYPT RX bytes:1004 acl:0 sco:0 events:31 errors:0 TX bytes:379 acl:0 sco:0 commands:21 errors:0 Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: HOLD SNIFF PARK Link mode: ACCEPT MASTER Name: 'dervish-0' Class: 0x120104 Service Classes: Networking, Object Transfer Device Class: Computer, Desktop workstation HCI Ver: 1.1 (0x1) HCI Rev: 0x20d LMP Ver: 1.1 (0x1) LMP Subver: 0x20d Manufacturer: Cambridge Silicon Radio (10) [root@dervish root]# hcitool scan Scanning ... 00:60:57:01:10:AE WatchPad_15 [root@dervish root]# l2ping 00:60:57:01:10:AE Can't connect.: Connection timed out hcidump (desktop) during try to execute l2ping from desktop to watch: ------------------------------------------------------------------------ [root@dervish sbin]# ./hcidump HCIDump - HCI packet analyzer ver 1.5 device: hci0 snap_len: 1028 filter: 0xffffffff < HCI Command: Create Connection(0x01|0x0005) plen 13 > HCI Event: Command Status(0x0f) plen 4 > HCI Event: Link Key Request(0x17) plen 6 > HCI Event: Connect Complete(0x03) plen 11 WATCH: ====== # ./hciconfig -a hci0: Type: UART BD Address: 00:60:57:01:10:AE ACL MTU: 384:80 SCO MTU: 128:80 UP RUNNING PSCAN ISCAN RX bytes:172 acl:0 sco:0 events:17 errors:0 TX bytes:80 acl:0 sco:0 commands:17 errors:0 Features: 0xff 0xff 0x09 0x00 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: Link mode: SLAVE ACCEPT Name: 'WatchPad_15' Class: 0x000000 Service Classes: Unspecified Device Class: Miscellaneous, HCI Ver: 1.1 (0x1) HCI Rev: 0xbc LMP Ver: 1.1 (0x1) LMP Subver: 0xbc Manufacturer: Cambridge Silicon Radio (10) # ./hcitool scan Scanning ... 00:0F:3D:0B:EE:6C dervish-0 # ./l2ping 00:0F:3D:0B:EE:6C Can't connect.: Connection timed out hcidump (desktop) during try to execute l2ping from watch to desktop: ------------------------------------------------------------------------ > HCI Event: Connect Request(0x04) plen 10 < HCI Command: Accept Connection Request(0x01|0x0009) plen 7 > HCI Event: Command Status(0x0f) plen 4 > HCI Event: Link Key Request(0x17) plen 6 > HCI Event: Role Change(0x12) plen 8 > HCI Event: Connect Complete(0x03) plen 11