Cisco 2921 User Manual

106
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
OL-20696-04
Chapter Configuring Backup Data Lines and Remote Management
Configuring Backup Interfaces
duplex auto
speed auto
crypto ipsec client ezvpn hw-client-pri inside
crypto ipsec client ezvpn hw-client inside
!
!
interface Cellular0/0/0
no ip address
ip access-group 131 out
ip nat outside
ip virtual-reassembly
encapsulation ppp
load-interval 30
dialer in-band
dialer pool-member 1
dialer idle-timeout 0
dialer-group 1
no peer default ip address
async mode interactive
no ppp lcp fast-start
ppp ipcp dns request
ppp timeout retry 120
ppp timeout ncp 30
fair-queue 64 16 0
!
routing dynamic
!
interface ATM0/1/0
no ip address
no atm ilmi-keepalive
no dsl bitswap
!
!
interface ATM0/1/0.1 point-to-point
ip virtual-reassembly
pvc 0/35
pppoe-client dial-pool-number 2
!
!
interface Vlan1
ip address 10.9.0.254 255.255.0.0
ip nat inside
ip virtual-reassembly
!
!
interface Dialer1
ip address negotiated
ip access-group 131 out
ip nat outside
ip virtual-reassembly
encapsulation ppp
load-interval 30
dialer pool 1
dialer idle-timeout 0
dialer string cdma
dialer persistent
dialer-group 1
no peer default ip address
no ppp lcp fast-start
ppp chap hostname nousername
ppp chap password 0 nopassword
ppp ipcp dns request
ppp timeout retry 120
ppp timeout ncp 30

Cisco 2921 Specifications

General

Ethernet LAN	Yes
Cabling technology	10/100/1000Base-T(X)
Networking standards	IEEE 802.1Q, IEEE 802.1ag, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3ah, IEEE 802.3u
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet interface type	Gigabit Ethernet
Product color	Black
Rack capacity	2U
USB version	2.0
RS-232 ports	1
USB ports quantity	2
Ethernet LAN (RJ-45) ports	3
DHCP client	-
Routing protocols	BGP, EIGRP, OSPF
Supported protocols	IPv4, IPv6, IS-IS, IGMPv3, PIM SM, SSM, DVMRP, IPSec, GRE, BVD, MPLS, L2TPv3, PPP, MLPPP, MLFR, HDLC, RS-232, RS-449, X.21, V.35, EIA-530, PPPoE, ATM
Firewall security	Cisco IOS
Operating altitude	0 - 3000 m
Non-operating altitude	0 - 4570 m
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 85 %
AC input voltage	100 - 240 V
Power source type	AC
AC input frequency	47 - 63 Hz
Safety	UL 60950-1, CAN/CSA C22.2 No. 60950-1, EN 60950-1, AS/NZS 60950-1, IEC 60950-1
Electromagnetic compatibility	47 CFR, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI V-3, EN 300-386, EN 61000, EN 55024, CISPR 24EN50082-1

Weight and Dimensions

Depth	469.9 mm
Width	438.2 mm
Height	88.9 mm
Weight	13200 g