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edgerouter:mss-clamp [2015/04/27 20:25] – created brielle | edgerouter:mss-clamp [2015/04/27 20:26] (current) – brielle | ||
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MSS Clamping works around issues caused by (clue impaired) system admins who think blocking all ICMP is a good idea. This is such of an issue in IPv4, that IPv6 makes ICMP mandatory to be allowed for basic networking to actually function. | MSS Clamping works around issues caused by (clue impaired) system admins who think blocking all ICMP is a good idea. This is such of an issue in IPv4, that IPv6 makes ICMP mandatory to be allowed for basic networking to actually function. | ||
- | You can read about [PMTU issues here](https:// | + | You can read about [[https:// |
For PPPoE users, this command will ' | For PPPoE users, this command will ' | ||
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set firewall options mss-clamp mss 1452 | set firewall options mss-clamp mss 1452 | ||
- | For tunneled IPv6 users (either SIT/6in4 or 6rd), specifically ones with a tunnel over a PPPoE connection, this command will get your network connectivity working again to some sites, [such as Netflix](https:// | + | For tunneled IPv6 users (either SIT/6in4 or 6rd), specifically ones with a tunnel over a PPPoE connection, this command will get your network connectivity working again to some sites, [[https:// |
set firewall options mss-clamp6 interface-type all | set firewall options mss-clamp6 interface-type all | ||
set firewall options mss-clamp6 mss 1412 | set firewall options mss-clamp6 mss 1412 | ||