System information

30 221 02-FGB 101 544 Uen H - June 2009
5.2.13 IPsec/VPN Termination
The Ericsson W3x supports one IPsec/VPN tunnel using Site-to-Site
configuration (Tunnel mode). An IPsec VPN serves as a point-to-point
tunnel interface allowing the Ericsson W3x to send some or all of its WAN
traffic across an encrypted tunnel rather than in clear text.
ESP is used to encrypt the payload part of an IP packet and ensures origin
authenticity, integrity and confidentiality. 3DES and AES-128 are used as
encryption algorithms and SHA-1 and MD5 as hash algorithms. NAT
traversal is supported when IPsec is enabled.
5.2.13.1 IKE
IKE is the protocol for setting up a shared session secret from which
cryptographic keys then can be derived. The Ericsson W3x supports IKE v1
with pre-shared key as method of authentication. 3DES and AES-128 are
used as encryption algorithms and SHA-1 and MD5 as integrity/hash
algorithms. Group 2 is supported as Diffie-Hellman group identifier.
5.2.14 IP Quality of Service
The QoS service in the Ericsson W3x supports the Stochastic Fair Queuing
(SFQ) scheduling algorithm which makes sure that no single session can
dominate outgoing bandwidth.
The QoS feature applies for upstream traffic only.
5.3 USB Services
The Ericsson W3x may function as a network storage device and/or printer
server for LAN/WLAN hosts using Windows File and Printer sharing (also
known as SMB or CIFS).
When an external hub is connected to the USB connector, the Ericsson
W3x supports connection of up to two storage devices and one printer at
the same time. Both USB 1.1 and 2.0 (full speed and high-speed) are
supported.
The Ericsson W3x uses Samba as the base to implement file and printer
sharing through SMB/CIFS.
Linux Kernel auto detection of USB devices (through udev and hotplug) is
used as part of the automatic configuration of the storage device and/or
printer server. The Ericsson W3x uses a relatively low powered processor
and is not designed to be a multi tasking platform.
5.3.1 File Sharing
A USB disk drive or memory stick that is connected to the USB connector
on the Ericsson W3x is automatically mounted and shared over the LAN
(and WLAN, if enabled).
The included files are shared with all devices belonging to the same
workgroup and all users have full read/write (including delete) access to the
shared files. Only the first partition of a storage device is automatically
mounted and shared.