- play_arrow Configuration
- play_arrow Configuration Example
- play_arrow Adding Bundles
- play_arrow Configuring SAToP Bundles (CTP Menu)
- Configuring the Default Bundle Data Protocol on the CTP Device (CTP Menu)
- Configuring IP Parameters for SAToP Bundles (CTP Menu)
- Configuring Virtual IP Parameters for SAToP Bundles (CTP Menu)
- Configuring Circuit Restart Parameters for SAToP Bundles (CTP Menu)
- Configuring the Missing Packet Fill Pattern for SAToP Bundles (CTP Menu)
- Configuring T1 and E1 Port Parameters for SAToP Bundles (CTP Menu)
- Configuring Adaptive Clocking for SAToP Bundles (CTP Menu)
- Configuring LOS Detection on CTP and SAToP Bundles (CTP Menu)
- play_arrow Configuring SAToP Bundles (CTPView)
- Configuring IP Parameters for SAToP Bundles (CTPView)
- Configuring Virtual IP Parameters for SAToP Bundles (CTPView)
- Configuring Circuit Restart Parameters for SAToP Bundles (CTPView)
- Configuring the Missing Packet Fill Pattern for SAToP Bundles (CTPView)
- Configuring T1 and E1 Port Parameters for SAToP Bundles (CTPView)
- Configuring Adaptive Clocking for SAToP Bundles (CTPView)
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- play_arrow Troubleshooting
- play_arrow Knowledge Base
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SAToP Bundle Overview
Structure Agnostic TDM over Packet (SAToP) bundles use a standards-based transport mechanism for T1/E1 circuits that allows them to interoperate with other SAToP-compliant equipment.
SAToP bundles comply with RFC 4553 to provide pseudowire encapsulation (PWE3) for TDM bit streams (T1, E1, T3, E3) that disregards any structure that may be imposed on these streams, in particular the structure imposed by the standard TDM framing.
You can configure SAToP bundles on CTP150 and CTP2000 platforms with T1/E1 interfaces or on CTP2000 platforms with serial interfaces that have T1/E1 daughter cards.
SAToP Encapsulation for E1 Interfaces
Figure 1 shows an example of SAToP encapsulation for E1 interfaces.

SAToP encapsulation works as follows:
The entire T1/E1 stream is packetized including all DS0s. The current state of the DS0s is not taken into consideration during this process.
The T1/E1 stream is sliced into equal sized packets. The slice position is random and unrelated to the position of the frame bit. In other words, the process is structure agnostic.