Cisco CISCO2921/K9 2921 Router Class-Based Weighted Fair Queuing (CBWFQ) , Firewall protection , IPv6 support , MPLS support , NetFlow , Syslog support , VPN support , Web Services Management Agent (WSMA) , Weighted Random Early Detection (WRED) Form Factor (FE): Rack-mountable Network Transport Protocol: IPSec , L2TPv3 Remote Management Protocol: RMON , SNMP , TR-069 Routing Protocol: BGP , Bidirectional Forwarding Detection (BFD) , DVMRP , EIGRP , GRE , IGMPv3 , IPv4-to-IPv6 Multicast , IS-IS , MPLS , OSPF , PIM-SM , PIM-SSM , Policy-based routing (PBR) , Static IP routing , Static IPv4 routing , Static IPv6 routing Status Indicators: Link activity , Power