Cisco MERAKI MR66 Посібник - Сторінка 5

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Check Radio Settings

After confirming a mesh route exists between an offline repeater and its mesh neighbor, the next step is to check for radio configurations or environmental

factors which adversely affect mesh. These factors are:

• Channel selection and transmit power

• DFS

• RF spectrum

Channel Selection and Transmit Power

For any two APs to become mesh neighbors, they must be able to hear each other. This requires that APs on each side of the link operate on at least one

common channel and have enough transmit power for transmissions to be received by its neighbor. Simply put,

the distance the radio signals can

requirement.

The first section of this document provides an example of how to compare the channel information using the details page of both APs. Additionally, the channel

and transmit power configuration on the Radio settings page should be also be verified.

Figure 8: Two APs, each AP is set to a different 2.4GHz channel and the transmit power is off. These devices will not mesh.

Figure 9: Two APs manually configured to use channel 36 with a transmit power of 5dBm. The transmit power level could be an issue if the nodes are

too far apart, but if they are close enough they should become mesh neighbors.

Note: Dashboard will calculate the distance between neighboring APs when placed on Google map. The distance is based on the lat/long (from

Dashboard) of a mesh repeater and the neighbors it sees.This distance is then reported in the Dashboard mesh neighbors table.

Dynamic Frequency Selection (DFS)

In certain regulatory domains, 5GHz WiFi channels are shared with radar.

whenever it detects a radar pulse.

travel. You will need to confirm the channel selection and transmit power configured on each AP in a mesh link will meet this

DFS

regulation in these environments require that an AP change it's channel

the distance between nodes should not exceed