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Related Documentation

Configuring Packet Redundancy for Circuits (CTPView)

The packet protector feature transmits one-for-one duplicate packets into the IP network, which enables a possible recovery scenario in the event of lost IP packets caused by transmission errors.

You can configure this feature on CTP and VComp bundles.

Before you begin:

  • Log in to the CTPView software at least at the Net_Admin level.
  • Connect the CTPView server to the CTP device for which you want to configure this feature.

To configure packet redundancy using CTPView:

  1. In the side pane, select Bundle > Configuration.
  2. Run your mouse over the Display and Select an Existing Bundle bar.
  3. In the table of bundles, select the bundle that you want to modify.
  4. Under Bundle Options, place a check mark in the Advanced Options show check box to display advanced parameters, and configure the parameters described in Table 13.

  5. Click Click to Submit Bundle AND Port Changes.

Table 13: Packet Redundancy Parameter Settings in CTPView

FieldFunctionYour Action

Packet Protector

Specifies whether the CTP device sends and/or receives cloned (duplicated packets).

This option is useful in networks where you expect significant IP packet loss.

You need to configure the packet protector so that the setting at one end of the bundle corresponds with the setting at the other end of the bundle.

For example, if you configure the local bundle to send cloned packets to the network, configure the remote bundle to expect cloned packets from the network.

Select:

  • Disabled—The CTP device does not send cloned packets over the IP network, and it ignores cloned packets that it receives.
  • Send cloned pkts to NET—The CTP device sends duplicated packets over the IP network.
  • Expect cloned pkts from NET—The CTP device uses cloned packets that it receives when the IP network drops the original packet. If the device receives both the original and cloned packets, it ignores the cloned packet.
  • Send & expect cloned pkts—The CTP device sends duplicated packets over the IP network. The CTP device uses cloned packets that it receives when the IP network drops the original packet.
  • Send delayed cloned packets to NET—The CTP device sends duplicated packets after the interpacket delay of the circuit. This option is not available for VComp bundles.
  • Send delayed & expect cloned packets—The CTP device sends duplicated packets after the interpacket delay of the circuit. The CTP device uses cloned packets that it receives when the IP network drops the original packet. This option is not available for VComp bundles.
  • Expect cloned XOR packets—The CTP device uses cloned XOR packets that it receives when the IP network drops the original packet to regenerate the missing packet. If the device receives both the original and cloned XOR packets, it ignores the cloned packet. This option is not available for VComp bundles.
  • Send & expect cloned XOR packets—The CTP device sends duplicated XOR packets over the IP network. The CTP device uses cloned XOR packets that it receives to regenerate missing packets when the IP network drops the original packet. This option is not available for VComp bundles.

Related Documentation

Modified: 2015-11-17