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Cisco 2921 User Manual

Cisco 2921
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39
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Ethernet CFM and Y.1731 Performance Monitoring on Layer 3 Interfaces
CFM Support on Routed Port and Port MEP
DETAILED STEPS
Command Purpose
Step 1
enable
Example:
Router>enable
Enables the privileged EXEC mode.
Enter your password when prompted.
Step 2
configure terminal
Example:
Router#configure terminal
Enters the global configuration mode.
Step 3
ethernet cfm ieee
Example:
Router(config)#ethernet cfm ieee
Enables the IEEE version of CFM.
Step 4
ethernet cfm global
Example:
Router(config)#ethernet cfm global
Enables CFM processing globally on the router.
Step 5
ethernet cfm domain domain-name level
value
Example:
Router(config-ecfm)#ethernet cfm
domain carrier level 2
Defines a CFM maintenance domain at a specified level,
and enters the Ethernet CFM configuration mode.
level can be any value from 0 to 7.
Step 6
service service-name port
Example:
Router(config-ecfm)#service carrier
port
Creates a service on the interface and sets the
config-ecfm-srv submode.
Step 7
continuity-check interval value
Example:
Router(config-ecfm-srv)#continuity-ch
eck interval 100m
Enables sending continuity check messages at the set
interval.
Step 8
end
Example:
Router(config-ecfm-srv)#end
Returns the router to the privileged EXEC mode.
Step 9
configure terminal
Example:
Router#configure terminal
Enters the global configuration mode.

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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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