Quadro SW-Version 4.1.x Przewodnik Instalacji Pobierz pdf (Strona 9)

QuadroISDN Manual II: Administrator's Guide Administrator’s Menus

QuadroISDN; SW Version 4.1.x 9

The Wizard allows navigating through the following basic configuration parameters and settings:

• Uplink configuration (see below)

For WAN Interface protocol PPPoE:

• PPP/ PPTP Settings

• WAN Interface Configuration (see below)

• DNS Settings

For WAN Interface protocol PPTP:

• WAN IP Configuration (see below)

• PPP/ PPTP Settings

• WAN Interface Configuration (see below)

• DNS Settings

For WAN Interface protocol Ethernet:

• WAN IP Configuration

• WAN Interface Configuration (see below)

• DNS Settings

The Switch to Auto Provisioning link moves you to the

Automatic Provisioning page where Quadro can be configured automatically.

The Uplink Configuration page allows you to select the Quadro‘s

WAN interface connection type and its bandwidth settings. These

settings will make Quadro available to the external network.

Depending on the Uplink Interface Protocol selection, the page

following the Uplink Configuration page is different. Thus if

PPPoE is selected, the next page will be PPP Configuration, while

selecting Ethernet will bring up the WAN IP Configuration page.

The Uplink Configuration page offers the following components:

The WAN Interface Protocol radio buttons are used to choose the

protocol depending on the requirements of the ISP (Internet Service

Provider):

PPPoE - turns on the PPP over an Ethernet connection.

PPTP – turns on the Point to Point Tunneling Protocol (PPTP)

interface used for the connection between Quadro and ADSL

modem. A fixed IP address configuration is needed in this

case.

Ethernet - turns on the Ethernet connection.

Fig. II-7: Internet Configuration Wizard - Uplink Configuration page

The WAN Interface Bandwidth settings allow the specification of the upstream and downstream speeds in kbit/s, helping to assure the quality of IP

calls. An IP call looses the voice quality if there is no available bandwidth. When approaching the limits of bandwidth capacity, another IP call will be

declined.

The bandwidth provided by the ISP has to be specified in the text fields Upstream Speed and Downstream Speed. The default entry in both fields

is 10000, the maximum bandwidth of a 10 MB Ethernet. In most cases, providers offer a smaller bandwidth than 10000 kbit/s.

The bandwidth required by an IP call depends on the codecs used and these specifications are listed in the table below:

Required Bandwidth for Standard Packets:

Needed bandwidth in kbit/s using the Codecs: Packet

Size in

msec.

G.711u/G.711a G.726-16 G.726-24 G.726-32 G.726-40 G.729a G.723 iLBC-13.33

10 105 58 66 74 82 50 - -

20 84 37 45 53 61 29 - -

30 76 30 38 45 53 22 21 27

40 74 27 34 42 50 19 - -

50 71 25 32 40 48 17 - -

60 67 22 30 37 45 15 13 20

Required Bandwidth for Encrypted Packets when a VPN is used:

Needed bandwidth in kbit/s using the Codecs: Packet

Size in

msec.

G.711u/G.711a G.726-16 G.726-24 G.726-32 G.726-40 G.729a G.723 iLBC-13.33

10 148 98 105 118 124 92 - -

20 105 59 65 74 81 49 - -

30 90 43 52 60 66 35 35 41

40 85 38 45 53 61 30 - -

50 80 34 41 48 56 26 - -

60 74 29 37 45 52 22 20 26

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 105 106

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