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## Related Documentation

- CESoPSN Bundle Overview

# Configuring IP Parameters for CESoPSN Bundles on CTP2000 Devices (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 CESoPSN 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: CESoPSN Bundle IP Parameter Settings on CTP2000 Devices 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.
Packet Size | Specifies the size of IP packets that are created from data received at the port. The CTP software calculates a default packet size based on the number of time slots configured, the type of interface (T1 or E1), and the type of signaling (CSS or CAS). We recommend that you use the default setting unless you require changes because of network performance. If you choose to change the signaling, use the following guidelines: For CSS signaling, the packet size must be divisible by the number of time slots. For CAS signaling, use the following formula: packet size = number-of-slots * 24 + signaling-size where signaling-size = number-of-slots/2 + number-of-slots%2 frames-per-packet for E1 = 16 frames-per-packet for T1 = 24 | Enter a packet size.
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 CTP 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. Based on the TTL setting, the IP network does not alter or optimize the packet routing. You do not need to set the same TTL value on local and remote ports. | Enter a number from 0 through 255.
Source UDP Port | 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.
Max Buffer | Specifies the maximum buffer size. The maximum buffer size setting is based on the number of packets in the buffer and the number of milliseconds that it takes the packets to go through the buffer. For example, a setting of 10 ms with a packet equivalent of 2 means that it will take 10 ms for 2 packets to go through the buffer. The CTP software calculates a default buffer size based on the type of interface (T1 or E1), and the type of signaling (CSS or CAS). We recommend that you use the default setting unless you require changes because of network performance. | Enter the number of milliseconds. The number that you can enter varies depending on the type of interface and signaling. When you enter a number, the software adjusts the number to the closest acceptable number, and it displays the packet equivalent. When you enter the number of milliseconds, the software displays the packet equivalent, which is the number of packets that can go through the buffer within the number of milliseconds.
Buffer Set | Specifies the buffer size when the circuit enters a running state. The CTP software calculates a default setting based on the type of interface (T1 or E1) the type of signaling (CSS or CAS), and the packet size. We recommend that you use the default setting unless you require changes because of network performance. | Enter the number of milliseconds. The number must be divisible by the packet size. If you enter a number that is not divisible by the packet size, the software changes the setting to the closest number that is divisible by the packet size. When you enter the number of milliseconds, the software displays the packet equivalent, which is the number of packets that can go through the buffer within the number of milliseconds.
Bundle Description | Specifies identifying information about the bundle. | Type a description for the bundle.

## Related Documentation

- CESoPSN Bundle Overview

#### Published: 2010-10-26

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