Junos OS supports aggregated Ethernet (AE) operation over Layer 2 circuit, Layer 3 VPN, bridge domain, CCC, OAM, no-local-switching, and IGMP snooping. Also supported are AE class of service and firewall support for families such as bridge domain, VPLS, CCC, MPLS, IPv4, and IPv6. The firewall support extends the support for single-rate two-color policer and two-rate two color policer.