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Commit 554b7010 authored by k8s-merge-robot's avatar k8s-merge-robot Committed by GitHub
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Merge pull request #27677 from justinsb/fix_24254

Automatic merge from submit-queue AWS: Enable ICMP Type 3 Code 4 for ELBs This enables MTU discovery. Fixes #24254
parents d82c3023 fddc9d61
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pkg/cloudprovider/providers/aws/aws.go
View file @ 554b7010
...@@ -2313,6 +2313,19 @@ func (s *AWSCloud) EnsureLoadBalancer(apiService *api.Service, hosts []string) ( ...@@ -2313,6 +2313,19 @@ func (s *AWSCloud) EnsureLoadBalancer(apiService *api.Service, hosts []string) (
permissions.Insert(permission) permissions.Insert(permission)
} }
// Allow ICMP fragmentation packets, important for MTU discovery
{
permission := &ec2.IpPermission{
IpProtocol: aws.String("icmp"),
FromPort: aws.Int64(3),
ToPort: aws.Int64(4),
IpRanges: []*ec2.IpRange{{CidrIp: aws.String("0.0.0.0/0")}},
}
permissions.Insert(permission)
}
_, err = s.setSecurityGroupIngress(securityGroupID, permissions) _, err = s.setSecurityGroupIngress(securityGroupID, permissions)
if err != nil { if err != nil {
return nil, err return nil, err
......
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