github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-22 19:31:44 +00:00
Code Issues Projects Releases Wiki Activity

AWS: Enable ICMP Type 3 Code 4 for ELBs

Browse Source 
This enables MTU discovery.

Fixes #24254
This commit is contained in:
Justin Santa Barbara 2016-06-18 21:52:10 -04:00
parent 6bdb9b0b8d
commit fddc9d61fa
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
pkg/cloudprovider/providers/aws/aws.go
View File

@ -2317,6 +2317,19 @@ 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