[Bluez-users] l2ping working only in one direction

[Florian Echtler <echtler@fs.tum.de>]

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Hi everybody, I have a desktop machine and a router, both with a
CSR bluetooth USB dongle. On both sides, hcid is running, with 
identical configuration (no auth, no encryption, same pin).

However, I can only do l2ping from desktop to router, not vice versa.
When tried on the router, l2ping fails after a short pause with:

Can't connect: Function not implemented

Here's hciconfig -a from the desktop:

hci0:	Type: USB
	BD Address: 00:50:F2:7D:51:FA ACL MTU: 192:8 SCO MTU: 64:8
	UP RUNNING PSCAN ISCAN 
	RX bytes:25782968 acl:1334369 sco:122643 events:65955 errors:0
	TX bytes:6277536 acl:1388 sco:122547 commands:404 errors:0
	Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	Link policy: RSWITCH HOLD SNIFF PARK 
	Link mode: ACCEPT MASTER 
	Name: 'FloesServer (block)'
	Class: 0x3e0100
	Service Classes: Networking, Rendering, Capturing
	Device Class: Computer, Uncategorized
	HCI Ver: 1.1 (0x1) HCI Rev: 0x1f9 LMP Ver: 1.1 (0x1) LMP Subver: 0x1f9
	Manufacturer: Cambridge Silicon Radio (10)

And this is hciconfig -a from the router, where l2ping fails:

hci0:	Type: USB
	BD Address: 00:09:DD:10:77:6F ACL MTU: 192:8 SCO MTU: 64:8
	UP RUNNING PSCAN ISCAN 
	RX bytes:957 acl:0 sco:0 events:25 errors:0
	TX bytes:343 acl:0 sco:0 commands:23 errors:0
	Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	Link policy: RSWITCH HOLD SNIFF PARK 
	Link mode: ACCEPT MASTER 
	Name: 'FloesRouter (flunder)'
	Class: 0x3e0100
	Service Classes: Networking, Rendering, Capturing
	Device Class: Computer, Uncategorized
	HCI Ver: 1.1 (0x1) HCI Rev: 0x460 LMP Ver: 1.1 (0x1) LMP Subver: 0x460
	Manufacturer: Cambridge Silicon Radio (10)


Does anybody have a clue why this happens? Additionally, I can l2ping and 
use my headset from the desktop, but again not from the router..

Yours, Florian
- -- 
Preserve wildlife - pickle a squirrel today!
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