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mtu
Usage Guidelines
The MTU value is the maximum size of packets sent and received on the management VLANIF and CAPWAP of an AP.
Modifying the attributes of an AP system profile changes configurations of all APs using this profile.
Precautions
DHCP packets cannot be fragmented. When the MTU value set using the mtu command is smaller than the DHCP packet length, DHCP packets cannot be forwarded. Therefore, set a larger MTU value.
If the MTU value is smaller than the DHCP packet length, the AP may be disconnected. In this case, restart the AP.
The MTU configured on the management VLANIF and CAPWAP takes effect on both IPv4 and IPv6 packets. However, the IPv6 packets support only a minimum MTU of 1280 bytes. If the configured MTU is smaller than 1280 bytes, the length of 1280 bytes takes effect.
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