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Avaya Phone Systems

Telecommunications Consulting
Control Unit
Extension Form Overview
Extension | Extn
Extension | Analog
Extension | VoIP
Extension | IP DECT
User Form Overview
User | User
User | Voicemail
User | DND| Short Codes
User | Source Numbers
User | Telephony
User | Forwarding
User | Dial In
User | Voice Recording
User | Coverage
User | Button Programming
User | Twinning | Menu Programming
User | T3 Options
User | Phone Manager Options
Hunt Group Overview
Hunt Group | Hunt Group
Hunt Group | Voicemail
Hunt Group | Fallback
Hunt Group | Queuing| Voice Recording
Short Code | Short Code
Service Settings Form Overview
Service | Service
Service | Bandwidth
Service | IP
Service | Autoconnect
Service | Quota
Service | PPP
Service | Fallback| Dial In
RAS Form Overview
Incoming Call Route Overview
Incoming Call Route | Standard
WAN Port Overview
WAN Port | Frame Relay
WAN Port | DLCIs
WAN Port | Advanced
Directory | Directory Entry
Time Profile Overview
Firewall Profile Form Overview
Firewall | Custom
IP Route Overview
IP Route | IP Route
RIP Dynamic Routing
Least Cost Routing Overview
Least Cost Routing | LCR| Main Route
Least Cost Routing | Alternate Route
Account Code Overview
Account Code | Voice Recording
License | License
Tunnel | Tunnel (L2TP)
Tunnel | L2TP (L2TP)
Tunnel | PPP (L2TP)
Tunnel | Main (IPSec)
Tunnel | IKE Policies (IPSec)
Tunnel | IPSec Policies (IPSec)
Logical LAN
Wireless Overview
Wireless | Security
User Restrictions Overview
User Rights Overview
User Rights | User
User Rights | Short Codes| Telephony
User Rights | Button/Menu Programming
User Rights | Phone Manager
User Rights | Twinning| Membership
Auto Attendant Overview
Auto Attendant | Auto Attendant
Auto Attendant | Actions
Overview of Authorization Code
E911 System Overview
E911 System | E911 System
E911 System | Zones
IP Office Manager Pt.1
IP Office Manager Pt.3
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Avaya IP Office

The Avaya IP Office platform is the ultimate in converged voice and data technology. IP Office brings a combination of voice and data applications formerly reserved for only the largest corporations. Cutting edge customer service with easy to use tools is now available to the smallest of businesses.



RIP Dynamic Routing

Routing Information Protocol (RIP) is a protocol which allows routers within a network to exchange routes of which they are aware approximately every 30 seconds. Through this process, each router becomes adds routes in the network to its routing table.

Each router to router link is called a 'hop' and routes of up to 15 hops are created in the routing tables. When more than one route to a destination exists, the route with the lowest metric (number of hops) is added to the routing table.

When an existing route becomes unavailable, after 5 minutes it is marked as requiring 'infinite' (16 hops). It is then advertised as such to other routers for the next few updates before being removed from the routing table. The IP Office also uses 'split horizon' and 'poison reverse'.

RIP is a simple method for automatic route sharing and updating within small homogeneous networks. It allows alternate routes to be advertised when an existing route fails. Within a large network the exchange of routing information every 30 seconds can create excessive traffic. In addition the routing table held by each IP Office is limited to 100 routes (including static and internal routes).

RIP is supported with IP Office system's from Level 2.0 upwards. The normal default is for RIP to be disabled. It can be enabled on LAN1, LAN2 and individual services.


  • Listen Only (Passive):
    The IP Office listens to RIP1 and RIP2 messages and uses these to update its routing table. However the IP Office does not respond.

  • RIP1:
    The IP Office listens to RIP1 and RIP2 messages. It advertises its own routes in a RIP1 sub-network broadcast.

  • RIP2 Broadcast (RIP1 Compatibility):
    The IP Office listens to RIP1 and RIP2 messages. It advertises its own routes in a RIP2 sub-network broadcast. This method is compatible with RIP1 routers.

  • RIP2 Multicast:
    The IP Office listens to RIP1 and RIP2 messages. It advertises its own routes to the RIP2 multicast address ( This method is not compatible with RIP1 routers.


Broadcast and multicast routes (those with addresses such as and are not included in RIP broadcasts. Static routes (those in the IP Route table) take precedence over a RIP route when the two routes have the same metric.




























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