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I have 2 hosts connected with IPv6 VPN. I am using IPv4 internal addresses for machines connected internally and use subnets addressed for these in ipv4. When a host wants to scp a 1 Gig file pull from a remote machine ( with ipv4 internal ip ), the transfer is terribly slow 20 kbps. Push from the remote machine to the host shows the transfer is stalled and becomes slower from 2MBps to 20 kbps. All the other SCP transfers work fine. Any ideas why this slow transfer one way?
ipsec.conf: conn net-net type=tunnel keyexchange=ikev2 left=3ffe:80c0:22c:803c:215:17ff:fed3:202 leftsubnet=10.0.1.7/27,10.0.2.7/27 leftcert=hostCert.pem right=3ffe:80c0:22c:803c:215:17ff:fed3:197 rightsubnet=10.0.1.14/27,10.0.2.14/27 auto=start
chinlee
Posted 2013-11-07T14:49:06.803
Reputation: 1
Those IPv6 addresses haven't been valid for years. How are you sending any traffic?! – Michael Hampton – 2013-11-08T01:26:28.723
Hi, these IPv6 are assigned by me on the hosts and use it within company LANs. Is there any issue with these IPv6 addresses? Main issue is the slow SCP transfer from a remote m/c only on one direction. – chinlee – 2013-11-20T13:17:37.280