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Connecting APs to the Catalyst 2950 EI
The following configuration is a reference template for use on Catalyst switch ports that are connected to
Cisco APs. It provide the required configurations for security, QoS, and STP:
default interface <xx/yy>
switchport mode access
spanning−tree bpduguard [enable]
spanning−tree bpdufilter [enable]
no channel−protocol
spanning−tree portfast
vlan [vlan id]
auto qos voip trust
Connecting APs to the Catalyst 2950 SI
The following configuration is a reference template for use on Catalyst switch ports that are connected to
Cisco APs. It provide the required configurations for security, QoS, and STP:
default interface <xx/yy>
switchport mode access
spanning−tree bpduguard [enable]
spanning−tree bpdufilter [enable]
no channel−protocol
spanning−tree portfast
vlan [vlan id]
Using Cisco Emergency Responder for E911 calls with the
Cisco 7920
The Cisco Emergency Responder proactively queries Cisco CallManager for new phone and user login
registration events. In response to these events, Cisco Emergency Responder automatically searches known
Cisco Catalyst switches in the network and finds the location of the phone and the user, based on the switch
port to which the phone is attached (through CDP or the MAC address). This information is then updated in a
Cisco Emergency Responder location database, and is used to identify a callers location when an E911 call
is placed. With this solution, users can move within a campus or between sites, wherever and whenever they
want, without any administrative intervention from the IT organization. This eliminates the administrative
costs associated with relocating phones or users, while maintaining accurate and updated location information
for E911 state and safety mandates.
Cisco Emergency Responder makes informed inbound and outbound call routing decisions based on the
location of emergency callers, and provides crucial location information to emergency operators in Public
Safety Answering Points (PSAPs). Outbound emergency calls are directed to a gateway associated with the
PSAP that is nearest to the caller, and in the event of an unintentional call disconnect or need for additional
information, inbound calls from a PSAP are returned to the original caller.
For more information, refer to product literature for the Cisco Emergency Responder.
For Cisco 7920 phones, several guidelines should be followed to accommodate the roaming nature of 802.11b
phones.
Cisco − Wireless IPT Design Guide for the Cisco 7920 IP Phone