User guide

7-6 MPLS Module Installation and User Guide
Configuring MPLS Layer-2 VPNs
ID (as specified in the martini IETF drafts) or using the manually configured ingress
and egress VLAN labels.
• All tunneled frames are in tagged Ethernet format.
• Support is provided for tunneling frames received from Ethernet ports or PoS ports
running the Bridge Control Protocol (BCP).
• VLAN IDs can be different at each end of a TLS tunnel, the VLAN ID is set by the
egress switch to match that of the locally configured VLAN.
• Support for full-mesh and hub-and-spoke VPN architectures with an integrated 256k
tunnel MAC cache.
• Support for up to 8 tunnel endpoints per VPN and up to 16k total tunnels per LER.
• Tunnel traffic can be load-shared across up to four equal cost LSPs.
Configuring MPLS Layer-2 VPNs
This section describes how to configure MPLS Layer-2 VPNs.
Commands for MPLS Layer-2 VPNs
Table 7-1 describes the ExtremeWare commands for configuring and monitoring MPLS
Layer-2 VPNs. Each command is described in detail in the sections that follow.