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## Related Documentation

- SAToP Bundle Overview
- Determining Optimal Packet Size for SAToP Bundles Overview

# Configuring IP Parameters for SAToP Bundles (CTPView)

The CTP software uses the IP parameters to create IP packets.

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 bundles.
- Disable the bundle before you modify the bundle options.

To configure IP parameters for SAToP bundles 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, configure the parameters described in Table 1, and click Click to Submit Bundle AND Port Changes.

Table 1: SAToP Bundle IP Parameter Settings in CTPView

Field | Function | Your Action
--- | --- | ---
Bundle Description | Specifies identifying information about the bundle. | Type a description for the bundle.
State | Specifies whether the bundle is active or disabled. | Select DISABLED or ACTIVE.
Remote Address | Specifies the name and IP address of the remote CTP device. | In the first field, select the CTP device. In the second field, select an interface on the CTP device.
SAToP Circuit ID | If the SAToP protocol is set to UDP, specifies the source UDP port. The source UDP port is used as the circuit identifier; you must configure both circuit endpoints to use the same UDP port. The UDP port must be unique on the CTP device. You will not be able to activate a port if another port is using the same source UDP port number. | Enter a number from 1 through 65535.
Incoming MPLS Label | For SAToP bundles that are using GRE as the transport protocol, specifies the incoming MPLS label. The incoming label must be configured to agree with the remove device. For example, if the outgoing label on the CTP device is 1000002, the outgoing label on the remote device must be set to 1000002. | Enter a number from 299776 through 1048575.
Outgoing MPLS Label | For SAToP bundles that are using GRE as the SAToP protocol, specifies the outgoing MPLS label. The outgoing label must be configured to agree with the remove device. For example, if the outgoing label on the CTP device is 1000001, the incoming label on the remote device must be set to 1000001. | Enter a number from 299776 through 1048575.
Packet Size | Specifies the size of IP packets that are created from data received at the port. The CTP device makes sure that the combination of packet size and data rate does not result in a packet rate that exceeds 1200 packets per second. | Select a packet size. For SAToP bundles, the packet size must be divisible by 32.
Min Buffer | Specifies the minimum average buffer size. Use a value that is greater than the expected jitter and less than the Buffer Set parameter. The minimum buffer ensures that the buffer does not become too small because of timing variances between the local and remote serial interfaces. The entire buffer is available for accommodating and smoothing packet delay jitter, regardless of the minimum buffer setting. | Enter a number from 0.001 through 9999.000 ms.
Buffer Set | Specifies the buffer size when the circuit enters a running state. This value must be large enough to accommodate the anticipated packet delay, and it must be set to a value greater than the minimum buffer size and lower than the maximum buffer size. | Enter a number from 0.001 through 9999.000 ms.
Max Buffer | Specifies the maximum buffer size. The maximum buffer ensures that the buffer does not become too large due to timing variances between the local and remote serial interfaces. If the buffer size exceeds the maximum buffer size, the buffer is recentered to the Buffer Set value. Periodic buffer recenters are not expected. If you notice recenters, we recommend that you verify the reference to the CTP (if used) or that you configure one port with adaptive clocking. | Enter a number from 0.001 through 9999.000 ms.
Service Type | Specifies the ToS byte to be used in the IP headers of packets sent from the CTP device to the IP network. For a mapping of ToS byte values to DSCP classes and settings, see Providing QoS for SAToP Bundles by Using Service Type Overview. You do not need to set the ToS value to the same value on local and remote bundles. | Enter a number from 0 through 255.
Time to Live | Specifies the maximum number of router hops that a packet can traverse. The CTP device sets the TTL value in IP packets that it sends to the IP network. The IP network does not alter or optimize the packet routing based on the TTL setting. You do not need to set the same TTL value on local and remote ports. | Enter a number from 0 through 255.
SAToP Protocol | Specifies the transport protocol that the bundle uses. | Select one: GRE UDP
Bundle Description | Specifies identifying information about the bundle. | Type a description for the bundle.

## Related Documentation

- SAToP Bundle Overview
- Determining Optimal Packet Size for SAToP Bundles Overview

#### Published: 2010-10-21

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