High Availability Network-Level Redudancy

• IEEE 802.3ah Ethernet In The First Mile
• BFD
• MC-LAG, MC-APS, ML-PPP
• MC-RING
• G.8032 Ethernet Ring Protection
• ECMP
• MPLS FRR
• (hot) standby secondary LSP’s
• VRRP
• SRRP
• tweak IGP timers
• ‘overload on boot’ flag
• tweaks in BGP (next-hop and peer tracking, multiple RD for same  address…)
• PW status bits
• ICB (inter-chassis backup)
• MAC-flush in VPLS