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Cisco 2921 User Manual

Cisco 2921
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263
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Radio Settings
Configuring the Role in the Radio Network
Configuring the Role in the Radio Network
The radio performs the following roles in the wireless network:
Access point
Access point (fallback to radio shutdown)
Root bridge
Non-root bridge
Root bridge with wireless clients
Non-root bridge without wireless clients
You can also configure a fallback role for root access points. The wireless device automatically assumes
the fallback role when its Ethernet port is disabled or disconnected from the wired LAN. The default
fallback role for Cisco ISR wireless devices is as follows:
Shutdown—the wireless device shuts down its radio and disassociates all client devices.
To set the wireless device’s radio network role and fallback role, follow these steps, beginning in
privileged EXEC mode.
SUMMARY STEPS
1. configure terminal
2. interface dot11radio {0| 1}
3. station-role
4. non-root {bridge | wireless-clients}
root {access-point | ap-only | [bridge | wireless-clients] | [fallback | repeater | shutdown]}
5. workgroup-bridge {multicast | mode <client | infrastructure>| universal <Ethernet client MAC
address>}
6. end
7. copy running-config startup-config

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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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