Hello, I'm building an environment where there's an workstation running RedHat 8.0 (2.4.21-mh2) (PANUwks)and all bluez packets downloaded from bluez source-force website.. Another machine at the other side of bluetooth link runs Redhat 8.0 (2.4.20-18.8) - (NAPwks)... Ericsson Application kit is the hardware used, where PANUwks is a point-to-point adater and on NAPwks it's a mutlipoint adapter... I'm using bnep as encapsulation protocol on this communication, looking for compatibility between an wired and wireless net and DH5 as packet type to increase wireless network's throughput. All latest versions of bluez packets were downloaded from bluez source-force website... Following are the doubts that I cannot find properly answers: 1-) What does aclmtu on hciconfig mean and Can I change this value? at PANUwks, aclmtu is set to 672:10 and on NAPwks, it's 672:8. Is there any issue regarding the differnce on field "packets" on aclmtu (ACLMTU=?? 2-) Transmitting large amount of packets at (an FTP), sometimes, bluetooth connection is lost and I've got to restart hardware devices to get them working back.. Looking into hcilog.txt (file uploaded on this mail), it seems that packets are being retransmitted on bluetooth link (packets with length of 672 bytes) on one direction .... Is there any tool to troubleshoot what is causing this disconnection... HCIdump just shows that packets stopped to be transmitted...By the way, what does symbols "<" and ">" mean on hcidump ?? which one means "input" and which means "output"?? 3-) "Theorical Question": Do bluetooth connections work on "Full-duplex" mode?? I mean, can I, for example, start an FTP from PANUwks to NAPwks and, at the same time, another ftp from NAPwks to PANUwks?? doing this connection is lost very soon.... on unidirectional ftp (i.e., from NAPwks to PANUwks only), I get good tranmission, reaching 500kbps. At this moment, those are some questions... thanks very much, Rafael Soares -- Rafael Prado Soares rsoares_bluez@elitemail.org -- http://www.fastmail.fm - The professional email service