Cisco Cisco Aironet 1522 Lightweight Outdoor Mesh Access Point Guía Para Resolver Problemas
17
Troubleshooting a Mesh Network
OL-14326-01
Link is lost because of poor SNR or radio
hardware failure.
hardware failure.
1) Check the node-to-node LinkSNR. See
for the minimum LinkSNR required
by data rate to maintain a link. See
for
supporting LinkSNR calculation details.
The following diagnostic information is
available:
available:
•
Controller CLI (show mesh path).
•
Controller GUI (Wireless > Access Points
> All APs > AP Name > Neighbor Info
(drop-down menu) > Link Test
(drop-down menu option for parent and
child APs).
> All APs > AP Name > Neighbor Info
(drop-down menu) > Link Test
(drop-down menu option for parent and
child APs).
•
Cisco WCS (Reports > Mesh Reports
>Mesh Link Stats).
>Mesh Link Stats).
Note
Refer to the “RF Issues and
Fluctuations” troubleshooting section
in this document for additional
diagnostic steps.
Fluctuations” troubleshooting section
in this document for additional
diagnostic steps.
802.11a (802.11b if AP1505) network is
disabled on the RAP.
disabled on the RAP.
1) Enable the 802.11a Network Status or
802.11b/g Network Status option on the
controller GUI at the following page using the
appropriate path:
802.11b/g Network Status option on the
controller GUI at the following page using the
appropriate path:
•
Wireless > 802.11a > Network (AP1510)
•
Wireless > 802.11b > Network (AP1505)
Access point is not staying up due to either a
power problem or reboot.
power problem or reboot.
1) Enter the following CLI command:
show ap config general ap-name
Check the status of the following parameters:
- AP Uptime
- LWAPP uptime
- Join Date and Time
- Join Taken Time
2) If a poletop installation, verify if:
a) Power is bank-switched.
b) Power is stable (using voltmeter or
visibly checking light stability at night).
visibly checking light stability at night).
A bridge group name (BGN) is configured for
the RAP but not for the MAPs.
the RAP but not for the MAPs.
1) Assign a BGN to the MAP.
Note
MAPs connect only to a controller
with a default BGN.
with a default BGN.
Table 6
Access Point Disappears (continued)
Possible cause
Solution/Debug Steps