Routers Cisco 2921/K9

Device Type	Router
Enclosure Type	Rack-mountable – modular – 2U
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network / Transport Protocol	IPSec, L2TPv3

Thông số kỹ thuật Routers Cisco 2921/K9

Device Type	Router
Enclosure Type	Rack-mountable – modular – 2U
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network / Transport Protocol	IPSec, L2TPv3
Routing Protocol	OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, static IP routing, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-
Routing Protocol	based routing (PBR), MPLS, Bidirectional Forwarding Detection (BFD), IPv4-to-IPv6 Multicast
Remote Management Protocol	SNMP, RMON, TR-069
Compliant Standards	IEEE 802.3, IEEE 802.1Q, IEEE 802.3af, IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag, ANSI T1.101, ITU-T G.823, ITU-T G.824
RAM	512 MB (installed) / 2 GB (max)
Flash Memory	256 MB (installed) / 8 GB (max)
Status Indicators	Link activity, power
Interfaces	3 x 10Base-T/100Base-TX/1000Base-T – RJ-45 Management: 1 x console – RJ-45 Management: 1 x console – mini-USB Type B Serial: 1 x auxiliary – RJ-45 USB: 2 x 4 pin USB Type A 1 x SFP (mini-GBIC)
Expansion Slot(s)	4 (total) / 4 (free) x HWIC 3 (total) / 3 (free) x PVDM 2 (total) / 1 (free) x CompactFlash Card 1 (total) / 1 (free) x expansion slot
Power Device	Power supply – internal
Voltage Required	AC 120/230 V ( 50/60 Hz )