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## Related Documentation

- Overview of Sequencing NCP Packets for POS Interfaces with PPP Encapsulation
- ppp ncp-Ordering-Required

# Sequencing NCP Packets for POS Interfaces with PPP Encapsulation

For packet over SONET (POS) physical interfaces with PPP encapsulation configured, the interfaces are not transitioned to the administratively up state if the arrival of the NCP packets is out of sequence. By default, the NCP packets need to be received in sequence to enable the POS interfaces to be in the enabled state.

To enable the PPP sessions to be established even when the NCP packets are not received in sequence:

- From Global Configuration mode, enter the no ppp ncp-Ordering-Required command.
  host1(config)#no ppp ncp-Ordering-Required

  The POS interfaces with the PPP encapsulation method configured remain in the down state until this command is entered. By default, the NCP packets are received in a sequence format.

To cause the PPP sessions to be established only when the NCP packets are received in sequence:

- From Global Configuration mode, enter the ppp ncp-Ordering-Required command.
  host1(config)#ppp ncp-Ordering-Required

## Related Documentation

- Overview of Sequencing NCP Packets for POS Interfaces with PPP Encapsulation
- ppp ncp-Ordering-Required

#### Published: 2011-10-19

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