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OL-2906-01

Network VLAN Diagram

Figure 2 shows the physical interfaces and VLAN connections.

Figure 2 Network VLAN Diagram

Acronyms used in Figure 2:

EMS/BDMS = Element Management System/Bulk Data Management System

CA/FS = Call Agent/Feature Server

Comm. = communications over OMS Hub

NE = Network Element

SSH = Secure Shell

SFTP = Secure File Transfer Protocol (FTP)

DNS = Domain Name Server

VoIP = Voice over IP

IRDP = Internet Control Message Protocol (ICMP) Router Discovery Protocol

Notes for Figure 2:

1. For EMS/BDMS, qfe0 and qfe1 are also used for redundancy communication.

2. For CA/FS, qfe0 and qfe4 are also used for redundancy communication.

3. VLAN2 and VLAN6 are used primarily for VoIP signaling based on protocols such as MGCP, SIP,

H.323, and so forth.

87013

QFE0

HME0

QFE1

QFE2

QFE3

EMS redundancy/billing (2)

EMS redundancy/billing (1)

VoIP signaling, OMS Hub comm. (1)

CA/FS redundancy (1)

Billing (1)

CA-FS comm. (1)

QFE0

HME0

QFE1

QFE2

QFE3

CA/FS redundancy (2)

Billing (2)

CA-FS comm. (2)

QFE4

QFE5

QFE6

QFE7

EMS/BDMS Side A

CA/FS Side A

Hub A

VLAN1

VLAN2

VLAN3

VLAN4

VLAN5

Hub B

VLAN6

VLAN7

VLAN8

VLAN9

Uplink for external access to hosts (connect to router).

Used for management services (SSH, SFTP, etc.)

and outbound billing data (FTP).

First uplink for external communications (connect to router).

Used for connection to external NEs and DNS services

via IRDP-enabled network.

HME0

EMS redundancy/billing (2)

EMS redundancy/billing (1)

CA/FS redundancy (1)

Billing (1)

CA-FS comm. (1)

HME0

CA/FS redundancy (2)

Billing (2)

CA-FS comm. (2)

EMS/BDMS Side B

CA/FS Side B

Data carried

Physical interface

Second uplink for external communications (connect to router).

Used for connection to external NEs and DNS services

via IRDP-enabled network.

QFE0

QFE1

QFE2

QFE3

QFE0

QFE1

QFE2

QFE3

QFE4

QFE5

QFE6

QFE7

VoIP signaling, OMS Hub comm. (2)

VoIP signaling, OMS Hub comm. (1)

VoIP signaling, OMS Hub comm. (2)

Alarm panel

OMS Hub comm. (1)

Management services

OMS Hub comm. (2)

Management services

OMS Hub comm. (1)

OMS Hub comm. (2)

Management services

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