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Ensure MTU is set correctly when WireGuard interface already exists #5926

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merged 1 commit into from
Jan 26, 2024

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@tnqn tnqn commented Jan 26, 2024

In ce46eb1 ("Fix incorrect MTU configurations"), we changed WireGuard interface's MTU in IPv4 case. However, if a cluster already enables WireGuard, the WireGuard interface's MTU would remain unchanged while new Pod would use a higher MTU, causing problems.

In ce46eb1 ("Fix incorrect MTU configurations"), we changed
WireGuard interface's MTU in IPv4 case. However, if a cluster already
enables WireGuard, the WireGuard interface's MTU would remain unchanged
while new Pod would use a higher MTU, causing problems.

Signed-off-by: Quan Tian <[email protected]>
@tnqn tnqn added this to the Antrea v1.15 release milestone Jan 26, 2024
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LGTM

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tnqn commented Jan 26, 2024

/skip-all

@tnqn tnqn merged commit e8b516f into antrea-io:main Jan 26, 2024
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@tnqn tnqn deleted the ensure-wireguard-mtu branch January 26, 2024 05:04
tnqn added a commit to tnqn/antrea that referenced this pull request Jan 26, 2024
…ntrea-io#5926)

In ce46eb1 ("Fix incorrect MTU configurations"), we changed
WireGuard interface's MTU in IPv4 case. However, if a cluster already
enables WireGuard, the WireGuard interface's MTU would remain unchanged
while new Pod would use a higher MTU, causing problems.

Signed-off-by: Quan Tian <[email protected]>
tnqn added a commit that referenced this pull request Jan 26, 2024
…5926)

In ce46eb1 ("Fix incorrect MTU configurations"), we changed
WireGuard interface's MTU in IPv4 case. However, if a cluster already
enables WireGuard, the WireGuard interface's MTU would remain unchanged
while new Pod would use a higher MTU, causing problems.

Signed-off-by: Quan Tian <[email protected]>
tnqn added a commit to tnqn/antrea that referenced this pull request Mar 25, 2024
…ntrea-io#5926)

In ce46eb1 ("Fix incorrect MTU configurations"), we changed
WireGuard interface's MTU in IPv4 case. However, if a cluster already
enables WireGuard, the WireGuard interface's MTU would remain unchanged
while new Pod would use a higher MTU, causing problems.

Signed-off-by: Quan Tian <[email protected]>
tnqn added a commit that referenced this pull request Mar 26, 2024
…5926)

In ce46eb1 ("Fix incorrect MTU configurations"), we changed
WireGuard interface's MTU in IPv4 case. However, if a cluster already
enables WireGuard, the WireGuard interface's MTU would remain unchanged
while new Pod would use a higher MTU, causing problems.

Signed-off-by: Quan Tian <[email protected]>
@tnqn tnqn added the kind/bug Categorizes issue or PR as related to a bug. label Jul 16, 2024
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3 participants