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Created February 11, 2025 08:04
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How to resolve ERR_SSL_BAD_RECORD_MAC_ALERT error in Google Chrome
h2. MTU stands for **Maximum Transmission Unit**, and it refers to the largest size of a data packet that can be sent across a network without needing to be fragmented; essentially, it's the maximum amount of data that can be sent in a single transmission on a specific network connection.
h2. How it affects Google Chrome:
h3. Network performance:
If a network has a low MTU, it can significantly impact browsing speed in Google Chrome because data needs to be split into smaller packets, leading to increased processing overhead and potential delays in loading webpages.
h3. Packet loss:
When a packet is too large for a network's MTU, it can be fragmented, increasing the chance of packet loss during transmission, which can result in lagging or interrupted browsing experiences in Chrome.
h3. To resolve this issue, use the following steps:
1. Open System Settings on MacOS
2. Select network from the left hand side bar
3. Click on the name of the connected network. It opens up network detail.
4. Click on the *Details* button shown by the name work name.
5. Select *Hardware* from the left side bar of the network dialog box
6. Change *Configure* option from *Automatically* to *Manual*. It will enable MTU option.
7. Change *MTU* from Standard 1500 to *Custom* and update the MTU from 1500 to 1460.
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