Transport Support for Carrier Ethernet Services |

(tick) = Supported | (tick)(warning) = Limited support | (green star) = Conditional support | (error) = Not supported

Customer Bridging Support for Carrier Ethernet Services

Ethernet Service

Support

Notes

EPL

(tick) (warning)
  • Limited transparency
  • Most L2CPs cannot be tunneled over the CEN
  • Does not support All-to-One Bundling since some CE-VLAN IDs are used by the CEN Operator

EVPL

(tick) (warning)
  • Does not support bundling
  • Cannot always support preservation

EP-LAN

(tick) 
  • Multicast inherently supported by backbone bridges

EVP-LAN

(tick) (warning)
  • Multicast inherently supported by backbone bridges
  • Does not support bundling
  • Cannot always support preservation

EP-TREE

(tick) (warning)
  • Limited support
  • Requires manual configuration

EVP-TREE

(tick) (warning)
  • Limited support
  • Requires manual configuration
  • Can operate only in very specific scenarios

ACCESS EPL

(error)
  • E-Access requires the Ethernet Access Provider network to comply with MEF 26.x. This requires a double-tagged interface which is not supported by bridging

ACCESS EVPL

(error)
  • E-Access requires the Ethernet Access Provider network to comply with MEF 26.x. This requires a double-tagged interface which is not supported by bridging

 

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