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ATM Limitations

The following limitations apply to ATM support on Circuit Emulation PICs:

  • Packet MTU—Packet MTU is limited to 2048 bytes.
  • Trunk mode ATM pseudowires—Circuit Emulation PICs do not support trunk mode ATM pseudowires:
  • OAM-FM segment—Segment F4 flows are not supported. Only end-to-end F4 flows are supported.
  • IP and Ethernet encapsulations—IP and Ethernet encapsulations are not supported.
  • F5 OAM—OAM termination is not supported.

Published: 2010-04-20

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