Appendix D - Ethernet Service Configuration Step-by-Step
Service Configuration Details
Step 1: Check and Adjust Bridge system-wide settings
System-wide configurable parameters affect all services at once, so it is crucial to
determine these configurations, which are applied system-widely, in advance and before
any Ethernet Service is assigned.
For ML700 bridge system-wide configuration, follow Ethernet Bridge and STP/RSTP
Configuration (on page 5-1) instructions.
Step 2: Determine VLAN topology for the Service
To determine the Service Topology, use VLAN schemes as shown in the VLAN
Configuration (on page 8-1) chapter.
In order to determine the correct topology, consider the needs of the L2 Priority CoS bits
preservation or modifications.
Assuming that only external VLAN tag is accessible on the CO NE, the topology should
be selected to either propagate CoS bits to additional external VLAN tag or to modify the
CoS bits according to the classification result on either CO or CPE.
For ML700 L2 Priority CoS bits control capabilities, refer to L2 Priority CoS bits Re-
Marking.
Step 3: Determine NE Resources for the Service
Allocate the physical interfaces (ports/LAGs) to be assigned for the Service on the CPE
and the CO.
Determine media characteristics of the customer's equipment attached through the UNI
(User-Network Interface) to the CPE NE and through the NNI (Network–Network
Interface toward WAN/LAN) beyond the CO NE.
These parameters include: electrical or optical cable type, MDI/MDIX connection to the
router/hub or End-Station, interface speed, Auto-negotiation capabilities, LAG needs,
LAG load sharing scheme, etc.
Verify that the OAM, LLCF and STP configuration is compatible with the service
provider's Network definitions.
Step 4: Configure Ports, LAGs and VLAN for the Service
After making the above steps' configuration decisions, the CPE and the CO NEs (each NE
separately) should now be configured according to the steps listed below.
NOTE: To avoid management connectivity loss with the CPE, it is recommended to first configure the
CPE and then the CO.
1. To configure a LAG (if used):
Generate the LAG entity first.
Enable and add the new LAG to the LAG Ethernet Ports.
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