Alcatel-Lucent 7750 SR Manual page 1070

Os services guide

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VPRN Features

Remote Sending Redundant IP Interface Unavailable

If the remote node is sending redundant IP interface unavailable, the local node will treat the local

redundant IP interface associated with the SRRP instances group IP interface as down. A Local

Redundant IP Interface Unavailable event is generated detailing the SRRP instance ID, the local

and remote system IP addresses, the local group IP interface name, the local redundant IP interface

name and the redundant IP interface IP address and mask.

Remote SRRP Advertisement SAP Non-existent

If the remote node's SRRP advertisement SAP does not exist on the local SRRP instances group IP

interface, the local node sends local receive SRRP advertisement SAP unavailable to the remote

node. An SRRP receive advertisement SAP non-existent event is generated detailing the SRRP

instance ID, the local and remote system IP addresses, the local group IP interface name and the

received remote SRRP advertisement SAP. Since SRRP advertisement messages cannot be

received, the local node will immediately become master if it has the lower system IP address.

Remote Sending Local Receive SRRP Advertisement SAP Unavailable

If the local node is receiving local receive SRRP advertisements stating that the SAP is

unavailable from the remote node, an SRRP Remote Receive advertisement SAP Unavailable

event will be generated. This details the SRRP instance ID, the local and remote system IP

addresses, the remote group IP interface name and the local SRRP advertisement SAP. Since the

remote node cannot receive SRRP advertisement messages, the local node will immediately

become master if it has the lower system IP address.

Local and Remote Dual Master Detected

If the local SRRP state is master and the remote SRRP state is master, an SRRP dual master event

is generated detailing the SRRP instance ID and the local, remote system IP addresses and the

local and remote group IP interface names and port numbers.

7750 SR OS Services Guide