ESR Series Routers Operation Manual                                                          5 
7.16 PBR routing policy configuration ....................................................................................................... 63 
7.16.1  Route-map for BGP configuration ........................................................................................ 63 
7.16.2  Route-map based on access control lists (Policy-based routing) ......................................... 65 
7.17 GRE tunnel configuration .................................................................................................................. 67 
7.18 L2TPv3 tunnel configuration ............................................................................................................. 69 
7.19 IPsec VPN configuration .................................................................................................................... 71 
7.19.1  Route-based IPsec VPN configuration: ................................................................................. 71 
7.19.2  Policy-based IPSec VPN configuration .................................................................................. 74 
7.20 LT-tunnels configuration ................................................................................................................... 77 
7.21 Configuring remote access to corporate network via PPTP protocol ............................................... 78 
7.22 Configuring remote access to corporate network via L2TP/IPsec protocol ...................................... 80 
7.23 Configuring remote access to corporate network via OpenVPN protocol ........................................ 82 
7.24 Dual-Homing Configuration ............................................................................................................... 83 
7.25 QoS configuration .............................................................................................................................. 84 
7.25.1  Basic QoS .............................................................................................................................. 85 
7.25.2  Extended QoS ....................................................................................................................... 86 
7.26 Mirroring configuration ..................................................................................................................... 88 
7.27 Netflow configuration ....................................................................................................................... 89 
7.28 sFlow configuration ........................................................................................................................... 90 
7.29 LACP configuration ............................................................................................................................ 91 
7.30 VRRP configuration ............................................................................................................................ 92 
7.31 VRRP tracking configuration .............................................................................................................. 94 
7.32 VRF Lite configuration ....................................................................................................................... 96 
7.33 MultiWAN configuration ................................................................................................................... 98 
7.34 SNMP configuration......................................................................................................................... 100 
7.35 BRAS (Broadband Remote Access Server) configuration ................................................................ 101 
8  FREQUENTLY ASKED QUESTIONS ........................................................................................................... 107