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Merge pull request #27677 from justinsb/fix_24254

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Automatic merge from submit-queue

AWS: Enable ICMP Type 3 Code 4 for ELBs

This enables MTU discovery.

Fixes #24254
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k8s-merge-robot 2016-06-20 11:07:40 -07:00 committed by GitHub
commit 554b7010fa
1 changed files with 13 additions and 0 deletions
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13
pkg/cloudprovider/providers/aws/aws.go
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@ -2313,6 +2313,19 @@ func (s *AWSCloud) EnsureLoadBalancer(apiService *api.Service, hosts []string) (
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)
if err != nil {
return nil, err