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# mpls-relay atm cell-packing mcpt-timer

#### Syntax

mpls-relay atm cell-packing maxCellsPerPacket mcpt-timer timerIdentifier

no mpls-relay atm cell-packing

#### Release Information

Command introduced in JUNOSe Release 10.2.0.

#### Description

Configures cell concatenation parameters for an ATM port to calculate the maximum number of ATM cells that the router can concatenate in a single packet and the unique identifier of the ATM Martini cell packing timer that you want to use to detect timeout of the cell collection threshold. You can configure this command on the ATM port only after you associated a pseudowire with the port by using the mpls-relay or route interface tunnel command. You can use this command only on an ATM port (ATM AAL5 over ATM major interface). The no version disables cell concatenation, which is the default behavior.

#### Options

- atm—Configures ATM interface parameters for MPLS cross-connect
- maxCellsPerPacket—Maximum number of ATM cells in the range 1–190 that the router can concatenate in a single VCC cell relay-encapsulated packet and transmit on an MPLS pseudowire connection; default value is 1 cell per packet
- timerIdentifier—Integer in the range 1–3 that identifies which of the three ATM Martini cell packing timers (timer 1, timer 2, or timer 3) you want to use to detect timeout of the cell collection time threshold; default value is 1. When the timer expires, the router forwards the packet even if the number of concatenated ATM cells in the packet is fewer than the specified maximum number of cells per packet.

#### Mode

Interface Configuration

#### Related Topics

- Multiple ATM Virtual Circuits over a Single Pseudowire Overview and Multiple ATM Virtual Circuits over a Single Pseudowire Example in the JUNOSe BGP and MPLS Configuration Guide

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