Features Türk Telekom International Data Services & Solutions info@turktelekomint.com www.turktelekomint.com Ethernet Services Overview Turk Telekom International Ethernet Service aims communication from 4 Virtual Private Line (EVPL) service and consists of multiple point-to-point EVCs with a multiplexed Ethernet Network Network (UNI) multiplexed (UNI) network interface on the Hub site. The MEF defines the following types of services, which are adapted to the services offered by COLT in the following sections: Service Type E-Line (point-to-point EVC) E-LAN (Multipoint-to-Multipoint EVC) E-Tree (All to One Bundling) Ethernet Private Line (EPL) Ethernet Private LAN (EP-LAN) Ethernet Private Tree (EP-Tree) VLAN-Based (EVC identified by VLAN ID) Ethernet Virtual Private Line (EVPL) Ethernet Virtual Private LAN (PPE-LAN) Ethernet Virtual Private Tree (EVP-TREE) Table 1. SERVICE DEFINITIONS MEF Colt Service Option Features MEF Service Type LANLink Point-to-Point-to-Point EPL LANLink Point-to-Point VLAN-based EVPL LANLink Hub &Spoke VLAN-based EVPL Private Network Any-to-Any / Port-based EP-LAN Ethernet Private Network Any / VLAN-Based EVP-LAN Ethernet Private Network E-Tree / Port-based EP-Tree Ethernet Private Network E-Tree / VLAN-based EVP-Tree Table 2. Colt Ethernet and MEF Types Colt Ethernet services are MEF 9, 14 and CE 1.0 certified. Colt`s engineering function is fully involved in technical workshops and the development of FEM standards. Colt`s Ethernet products have proven to be compliant for many years and rigorous internal testing is carried out to ensure compliance with E-Access MEF 33 and CE 2.0 (including EOAM, CoS and L2CP handling). Colt device manufacturers are CE 2.0 certified. Ethernet THD-UK-EN v04 Page 4 of 17 10 4.5 Protocol Transparency Colt`s LANLink services are transparent for Layer 2 Ethernet protocols. This means that customers can leverage their own VLAN, Broadcast, and Multicast domains across the infrastructure to meet specific requirements. LANLink services are transparent to Layer 3 protocols and provide a single network solution for voice, video, and data requirements.

Transparent/Value 802.1Q VLAN Transparency based port (except VLAN-0-Tag) VLAN-based VLAN if transparent mode or double tagging is selected 802.1P standard service class to set up standard auto-negotiate (except 1000BASE-T) disable the flow command (pause frames) Standard Port on MDI or AUTO. . . .