E-IPA N+1 card redundancy
Following the release of EHX v13.0
E-IPA cards can now provide N+1 redundancy
An E-IPA-HX card can be configured for N+1 redundancy. A redundant/standby card will take
over from a failed card after 2 minutes of failure.
You can configure a standby card to take over from all or any combination of cards in a matrix.
You will also decide which connection types (IVC and/or AoIP) trigger the switching/failover
state. These options are known as Redundancy Modes.
All IP details and configuration are transferred to the standby card on switching. On failover, the
standby card will reboot. When it comes up, it sends out an ARP ping message to the gateway.
This tells the network switch to update its local ARP table with the MAC address of the new
device.
Note:
The main and redundant E-IPA cards must have matching licenses and LAN port wiring.
Redundancy take over option for the redundant card
The E-IPA card supports two different IP connection types:
Ensure you set a separate Admin IP address for the redundant card. As it will use this for firmware updates
When it takes over from a failed card it will switch over and use/copy the Admin IP address of the failed card
Make sure the redundant card has the same or larger port count as the failed card
Make sure the redundant card has the same AOIP license port count or larger than the failed card
On the main card select the redundancy mode
This will indicate what type of failure on the main card is needed before the redundant card takes over
IVC . IVC connections are non AES67 connections such as; Legacy V-Series panels, Agent IC, Station IC and LQ connected over IP.
AoIP. AoIP connections are all AES67 connections such as; IP transceivers (FS-Edge 5 GHz and FreeSpeak II1.9 GHz), Iris panels and SMPTE/AES67 3rd party audio.
The redundant/standby card can take over on a range of IP connection type failures:
No Redundancy : The card will not execute a switch in any circumstances
IVC or AoIP (default setting) : The card will treat no active IVC connections (for 2 mins) OR no active AoIP (for 2 mins) as a failure and will execute a switch to a supporting standby card.
This means the card will switch over if there are no IVC connections, even if you have a active AOIP connection and visa-versa
IVC only: The card will treat no active IVC connections (for 2 mins) as a failure and will execute a switch to a supporting standby card .
There must be at least one IVC panel or Agent IC or LQ etc connected. If you are using mainly Agent IC connections and all your Agent IC users are off line then the card will switch over
AoIP only: The card will treat no active AoIP connections (for 2 mins) as a failure and will execute a switch to a supporting standby card
For full details see attached PDF (extract from EHX V13.0 EHX user manual )
Note : Redundant network connections is a different feature and should not be confused with
N+1 card redundancy
Redundant network allows the user to setup 2 separate network paths to a AOIP-Iris panel using 2 sets of different network switches
See FAQ : https://clear-com.atlassian.net/wiki/spaces/SF/pages/2492137506
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