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Cisco 2921 User Manual

Cisco 2921
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27
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Basic Router Configuration
Configuring Dynamic Routes
Verifying Configuration
To verify that you have properly configured RIP, enter the show ip route command and look for RIP
routes signified by “R.” You should see a verification output like the example shown below.
Router# show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
10.0.0.0/24 is subnetted, 1 subnets
C 10.108.1.0 is directly connected, Loopback0
R 3.0.0.0/8 [120/1] via 2.2.2.1, 00:00:02, Ethernet0/0
Configuring Enhanced Interior Gateway Routing Protocol
To configure Enhanced Interior Gateway Routing Protocol GRP (EGRP), follow these steps, beginning
in global configuration mode.
SUMMARY STEPS
1. router eigrp as-number
2. network ip-address
3. end
DETAILED STEPS
Command Purpose
Step 1
router eigrp as-number
Example:
Router(config)# router eigrp 109
Router(config)#
Enters router configuration mode, and enables
EIGRP on the router. The autonomous-system
number identifies the route to other EIGRP routers
and is used to tag the EIGRP information.
Step 2
network ip-address
Example:
Router(config)# network 192.145.1.0
Router(config)# network 10.10.12.115
Router(config)#
Specifies a list of networks on which EIGRP is to
be applied, using the IP address of the network of
directly connected networks.
Step 3
end
Example:
Router(config-router)# end
Router#
Exits router configuration mode, and enters
privileged EXEC mode.

Table of Contents

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Cisco 2921 Specifications

General IconGeneral
Ethernet LANYes
Cabling technology10/100/1000Base-T(X)
Networking standardsIEEE 802.1Q, IEEE 802.1ag, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3ah, IEEE 802.3u
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet interface typeGigabit Ethernet
Product colorBlack
Rack capacity2U
USB version2.0
RS-232 ports1
USB ports quantity2
Ethernet LAN (RJ-45) ports3
DHCP client-
Routing protocolsBGP, EIGRP, OSPF
Supported protocolsIPv4, 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 securityCisco IOS
Operating altitude0 - 3000 m
Non-operating altitude0 - 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 voltage100 - 240 V
Power source typeAC
AC input frequency47 - 63 Hz
SafetyUL 60950-1, CAN/CSA C22.2 No. 60950-1, EN 60950-1, AS/NZS 60950-1, IEC 60950-1
Electromagnetic compatibility47 CFR, ICES-003, EN55022, CISPR22, AS/NZS 3548, VCCI V-3, EN 300-386, EN 61000, EN 55024, CISPR 24EN50082-1
Weight and Dimensions IconWeight and Dimensions
Depth469.9 mm
Width438.2 mm
Height88.9 mm
Weight13200 g

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