Editing MTU
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− | + | [[Cisco IOS]]: <code>[[show system]] mtu</code> | |
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Change configuration on Linux: | Change configuration on Linux: | ||
− | + | * <code>[[ip link]] set dev eth0 [[mtu]] 9000</code> ([[Jumbo frames]]) | |
− | <code>[[ip link]] set dev eth0 [[mtu]] 9000</code> ([[Jumbo frames]]) | ||
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ifconfig -a | grep mtu | ifconfig -a | grep mtu | ||
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+ | * <code>ping -M do -s 9000 <some_ip_address></code> | ||
Select Path MTU Discovery strategy. hint may be either do (prohibit fragmentation, even local one), want (do PMTU discovery, fragment locally when packet size is large), or don't (do not set DF flag). | Select Path MTU Discovery strategy. hint may be either do (prohibit fragmentation, even local one), want (do PMTU discovery, fragment locally when packet size is large), or don't (do not set DF flag). | ||
− | <code>[[netsh]] interface ipv4 show interfaces</code> | + | * <code>[[netsh]] interface ipv4 show interfaces</code> |
== Related terms == | == Related terms == | ||
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* debug1: expecting SSH2_MSG_KEX_ECDH_REPLY | * debug1: expecting SSH2_MSG_KEX_ECDH_REPLY | ||
* [[Path MTU Discovery (PMTUD)]] | * [[Path MTU Discovery (PMTUD)]] | ||
− | * [[sysctl]]: <code> | + | * [[sysctl]]: <code>net.ipv4.tcp_mtu_probing</code> |
* [[WireGuard]]: https://wiki.archlinux.org/index.php/WireGuard#Low_MTU | * [[WireGuard]]: https://wiki.archlinux.org/index.php/WireGuard#Low_MTU | ||
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== See also == | == See also == |
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