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To Create a Link Monitor Table entry:
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Creating a Link Monitor Configuration Table Entry
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- At the top of the Link Monitor Configuration table, click the Create Link Monitor Configuration (
) icon
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Configure the fields. Refer to Field Definitions.
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Caption 0 Figure 1 Create Link Monitor Configuration
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- Click OK.
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Settings - Field Definitions
Monitor Type
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Valid entries: CAC/IPSEC. Link is monitored via CAC/IPSEC profile. Backup Default Route. Link is monitored for problems on the default route to the ISP. The SBC recognizes when the Internet destination is not reachable from a given (preferred) ISP; all subsequent calls are routed (via backup default route) to the secondary ISP to reach the intended Internet destination. For details on configuring a Backup Default Route, refer to Best Practice - Configure Destination Path Resiliency through Independent Internet Connections. |
Monitored Peer Type
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Specifies the type, either host or gatway, that the link is monitoring. |
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Specifies the address of the host to monitor. The entry must be in IPv4 format or the Fully Qualified Domain Name (FQDN) of the host being monitored. This field is visible only visible when Host is selected in from the Monitored Peer Type select drop down list. |
Gateway IP Address
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The IP address of the gateway. This field is visible only visible when Gateway is selected in from the Monitored Peer Type select drop down list. |
Lync CAC Profile
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Use this to select a pre-configured Lync CAC profile. The Lync CAC profile information is sent to the HQ Lync server once each five minutes and after performing an IP layer reroute following a failure (if configured). This field only applies when Monitor type is configured for CAC/IPSEC, and visible only when Gateway is selected from the Monitored Peer Type drop down list. |
Poll Period
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Specifies the polling interval, in seconds, for testing the link status. The host or the nexthop gateway specified by HostIpAddress HostIPAddress is probed once each specified interval. For Default Backup Route configuration, if a faster failover is desired, update the Poll Period, Failed Polls for Down State, and SuccessfulPolls for Up State, as desired. |
Failed Polls for Down State
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Specifies the number of consecutive failed polling attempts made against the host specified in Host IP Address field after which the host is declared to be in a down state. When the gateway is declared down, the associated IPsec tunnel is torn down (for CAC/IPSEC configuration) or route is switched from the primary default route to the backup default route (for Default Backup Route configuration). |
Successful Polls for Up State
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Specifies the number of unreplied or unsuccessful successful polls made against the host specified in the Host IP Address field before declaring this gateway or host as service ready. |
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Use this field to select a maximum of four pre-configured IPsec tunnels. Only visible This field only applies when Monitor type is configured for CAC/IPSEC, and visible only when Gateway is selected in from the Monitored Peer Type list box. drop down list. |
Switch Back to Primary Gateway via Link Monitor
The SBC 1000/2000 recognizes that the Internet destination is not reachable from a given (preferred) ISP, and all subsequent calls are routed (via backup default route) to the secondary ISP to reach the intended Internet destination. The system automatically reconfigures the Default Gateway from Primary to Backup whenever the network failure on the Primary Link is detected.
The system will not make any automatic network configuration changes when the Primary Microsoft Teams Signaling Group Link is restored. The backup Microsoft Team Signalling Group will continue to be used until the Gateway change is manually initiated or the secondary route also fails. Initiate the Gateway change from the WebUI as follows:
- Access Protocols > Network Monitoring > Link Monitors.
- Click Switch Back To Primary Gateway.
Caption 0 Figure 1 Switch Back to Primary 
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Overview
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