NETGEAR FS108P - ProSafe Switch Supplément

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

Avaya Solution & Interoperability Test Lab

Configuring NETGEAR® PROSAFE™ 8-port, 16-port and

24-port switches Supporting Power over Ethernet with

Avaya Communication Manager, Avaya one-X Quick

Edition G10 PSTN Gateway, Avaya one-X Quick Edition

Telephones and Avaya IP Telephones – Issue 1.0

Abstract

These Application Notes describe the configuration of the NETGEAR® PROSAFE™ 8 Port

FS108P, PROSAFE™ 16 Port FS116P and PROSAFE™ 24 Port FS726TP switch and Avaya

4600/9600 Series IP Telephones registered to Avaya Communication Manager and Avaya

one-X Quick Edition G10 PSTN Gateway.

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

1. Introduction

Power over Ethernet (PoE) allows both power and data to be simultaneously carried over

standard Ethernet cables. PoE-enabled Ethernet switches can supply power directly to Ethernet

devices, thereby simplifying installation and removing the need for separate power supplies for

those devices.

The NETGEAR PROSAFE 8 Port (FS108P) and 16 Port (FS116P) switches provide 4/8 ports of

PoE and 4/8 ports without PoE. These unmanaged switches can be used to power Avaya

telephones successfully without configuration; however the switches do not support traffic

prioritization.

The NETGEAR PROSAFE™ 24 Port (FS726TP) switch supports 12 PoE ports, 12 additional

10/100Mbps ports without PoE, and 2 Gigabit/ small form-factor pluggable (SFP) ports without

PoE. The FS726TP provides effective traffic prioritization. A recommended configuration is

provided.

The generally available (GA) versions of all products were used for testing. Interoperability

testing was at the Avaya Solution and Interoperability Test Lab in Lincroft, NJ.

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

2. Equipment and Software

The following equipment and software were used for the configuration provided:

Equipment Software/Firmware

Avaya Media Server with Media Gateway 3.1.2

Avaya one-X G10 PSTN Gateway 3.0

Avaya 9610 one-X Deskphone Edition IP Telephone 1.2

Avaya 9620 one-X Deskphone Edition IP Telephone 1.2

Avaya 9630 one-X Deskphone Edition IP Telephone 24-button

module. 1.2

Avaya 9640 one-X Deskphone Edition IP Telephone with 24-

button module. 1.2

Avaya 9650 one-X Deskphone Edition IP Telephone with 24-

button module. 1.2

Avaya 4601 IP Telephone 2.3

Avaya 4601+ IP Telephone 2.7

Avaya 4602 IP Telephone 2.3

Avaya 4602SW Telephone 2.3

Avaya 4602SW+ IP Telephone 2.7

Avaya 4610SW IP Telephone 2.7

Avaya 4620SW IP Telephone (Class 3) 2.7

Avaya 4620SW IP Telephone with and without EU24 2.7

Avaya 4621SW IP Telephone with and without the EU24BL 2.7

Avaya 4622SW IP Telephone 2.7

Avaya 4625SW IP Telephone 2.7

Avaya 4610SW one-X Quick Edition IP Telephone 7.0.2

Avaya 4621SW one-X Quick Edition IP Telephone 7.0.2

NETGEAR FS108P N/A

NETGEAR FS116P N/A

NETGEAR FS726TP 1.0.2

Table 1: Avaya/NETGEAR Equipment

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

2.1. Configuration of NETGEAR and Avaya equipment

Figure 1: Avaya/NETGEAR Network Diagram

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

3. Configure the Avaya Media Server and Media Gateway

The configuration of the Avaya Media Server and Media Gateway should follow the standard

Avaya recommendations for IP Telephony [1]. In general a Quality of Service (QoS) policy

must be established across the entire IP network. The Differentiated Services (DiffServ) Code

Point (DSCP) values used by Avaya Communication Manager and by the FS726TP must be the

same.

From the System Access Terminal (SAT) enter the change ip-network-region command with

the appropriate region number specified to open an IP Network Region configuration screen. Set

the QoS DiffServ/TOS and 802.1P/Q parameters highlighted below. These are the defaults,

normally no changes will be needed.

change ip-network-region 1 Page 1 of

IP NETWORK REGION

Region: 1

Location: 1 Authoritative Domain: ccmcare.com

Name: AV_HUB

MEDIA PARAMETERS Intra-region IP-IP Direct Audio: yes

Codec Set: 1 Inter-region IP-IP Direct Audio: yes

UDP Port Min: 2048 IP Audio Hairpinning? n

UDP Port Max: 3327

DIFFSERV/TOS PARAMETERS RTCP Reporting Enabled? y

Call Control PHB Value: 26 RTCP MONITOR SERVER PARAMETERS

Audio PHB Value: 46 Use Default Server Parameters? y

Video PHB Value: 26

802.1P/Q PARAMETERS

Call Control 802.1p Priority: 6

Audio 802.1p Priority: 6

Video 802.1p Priority: 5 AUDIO RESOURCE RESERVATION PARAMETERS

H.323 IP ENDPOINTS RSVP Enabled? n

H.323 Link Bounce Recovery? y

Idle Traffic Interval (sec): 20

Keep-Alive Interval (sec): 5

Keep-Alive Count: 5

Figure 2: Avaya QOS Configuration

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

4. Configure the NETGEAR Switches

4.1. Using the NETGEAR FS108P and FS116P

The FS108P and FS116P are unmanaged switches, therefore no configuration is necessary. The

FS108P and FS116P should be connected to the LAN by an auto-negotiation enabled uplink so

that 100Mbps Full Duplex operation can be enabled. IEEE 802.1Q tags should be stripped from

packets before the packets are sent to the FS108P or the FS116P.

With the unmanaged FS108P and FS116P switches, traffic prioritization is not supported by the

NETGEAR products. It is unlikely that the ports for the Avaya Media Server or Media Gateway

would be plugged directly into these small switches. More likely the NETGEAR switches would

be attached to the LAN and the telephones would access the Avaya Media Server and Media

Gateway over the corporate LAN. Since traffic prioritization is not supported by these switches

it is important to ensure that the connection of these switches to the corporate LAN provides

adequate quality of service.

4.2. Configure the NETGEAR FS726TP

The configuration presented here only covers the Avaya IP Telephones on the PoE ports and one

Port (26) for the uplink. The administration of the remaining ports for data applications is not

covered.

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

4.2.1. Configure the NETGEAR FS726TP PoE

Using a Web Browser, enter the IP address of the NETGEAR FS726TP and open the NETGEAR

web interface.

Figure 3: NETGEAR Web Interface

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

Select the Power over Ethernet Configuration (POE in the left window). The default values

should be adequate, but should be verified (see Figure 4).

Figure 4: NETGEAR FS726TP PoE Configuration

If the Admin Mode is not Enable, select the port and Enable PoE from the Admin pull-down

menu. Select Apply after selecting Enable.

Figure 5: NETGEAR FS726TP PoE Enabled

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

The Class field in Figure 4 refers to the IEEE 802.3af Power Classification system (Table 2).

The FS726TP measures power at the FS726TP. The Power Limit column in Figure 4 refers to

the IEEE 802.3af Maximum Power at the power source.

Class Maximum

Power at

FS726TP

0 15.4W

1 4.0W

2 7.0W

3 15.4W

Table 2: IEEE 802.3 Power Classifications

If all of the devices are Class 2 or lower, there will be no need to assign Priority because the

total power will not exceed the Max System Power Available. If more than one of the devices

is Class 0 or Class 3, select a Priority for each port to control which ports will be shut down in

the event the powered devices exceed the Max System Power Available. In situations where a

large number of Class 0 or Class 3 devices are used, Medium priority should be assigned to one

group of the Class 0/3 devices and Low to a second group.

Figure 6: NETGEAR FS726TP PoE Priority

Assign enough Low Priority ports so that if the Max System Power Available is exceeded, the

high priority devices in the enterprise will be powered.

JJA; Reviewed:

SPOC 5/17/2007 Solution & Interoperability Test Lab Application Notes

NETGEARAppNotes.doc

4.2.2. Configure the NETGEAR FS726TP Differentiated Services Values

Open the NETGEAR web interface and select Quality of Server (QoS) from the left window.

Then select DSCP from the pull down list in the right menu. The default values are to treat all

Differentiated Services (DiffServ) entries identically. Change the DiffServ entries for Call

Control (26, Assured Forwarding, AF 31 011010) and Audio (46, Expedited Forwarding EF

(101110)) to High as shown in the Figure 3 (Avaya QoS Configuration). Click Apply.

The Per Hop Behavior (PHB) Value used in on the Avaya Communications Manager (Figure 3),

is the decimal value of the DSCP entry in the NETGEAR table. The Audio PHB of 46 decimal

is 101110 binary. The Control PHB of 26 decimal is 011010 binary.

Figure 7: NETGEAR FS726TP DiffServ Configuration

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