> On Fri, Aug 27, 2004 at 10:28:02AM +0200, roberto wrote:
>> > What speed do you get if you don't get though the VPN ?
>> > While you're downloading, can you run 'top' and see if the CPU usage
>> is
>> > high ?
>> >
>>
>> For example on a 100Mbit ethernet, an ftp download without PPTP VPN
>> shows:
>>   150 Opening BINARY mode data connection for 'netbsd' (4024681 bytes).
>>   226 Transfer complete.
>>   ftp: 4024681 bytes received in 0,78secondi 5153,24Kbyte/sec)
>
> Looks good.
>
>>
>> but with PPTP VPN:
>>  150 Opening BINARY mode data connection for 'netbsd' (4024681 bytes).
>>  226 Transfer complete.
>>  ftp: 4024681 bytes received in 49,88secondi 80,68Kbyte/sec)
>>
>> And about the TOP, it shows no load: the CPU is 95-100% idle
>
> What RTT does a ping though the VPN shows ?
>


On NETBSD20 without VPN
# ping 10.1.1.10
PING 10.1.1.10 (10.1.1.10): 56 data bytes
64 bytes from 10.1.1.10: icmp_seq=0 ttl=128 time=8.989 ms
...
----10.1.1.10 PING Statistics----
11 packets transmitted, 11 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.406/1.276/8.989/2.561 ms

On NETBSD20 WITH VPN
# ping 172.1.1.9
PING 172.1.1.9 (172.1.1.9): 56 data bytes
64 bytes from 172.1.1.9: icmp_seq=0 ttl=128 time=8.308 ms
...
----172.1.1.9 PING Statistics----
13 packets transmitted, 13 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.942/1.782/8.308/1.967 ms

On NetBSD162 WITHOUT VPN
batuffolo:/root> ping 10.1.1.1
PING 10.1.1.1 (10.1.1.1): 56 data bytes
64 bytes from 10.1.1.1: icmp_seq=0 ttl=255 time=0.063 ms
...
----10.1.1.1 PING Statistics----
21 packets transmitted, 21 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.063/0.109/0.168/0.028 ms
batuffolo:/root>

On NetBSD162 WITH VPN (I leave the full output cause some strange negative
time value)
batuffolo:/root> ping 172.1.1.3
PING 172.1.1.3 (172.1.1.3): 56 data bytes
64 bytes from 172.1.1.3: icmp_seq=0 ttl=128 time=7.843 ms
64 bytes from 172.1.1.3: icmp_seq=1 ttl=128 time=1.238 ms
64 bytes from 172.1.1.3: icmp_seq=2 ttl=128 time=0.921 ms
64 bytes from 172.1.1.3: icmp_seq=3 ttl=128 time=1.379 ms
64 bytes from 172.1.1.3: icmp_seq=4 ttl=128 time=0.948 ms
64 bytes from 172.1.1.3: icmp_seq=5 ttl=128 time=-9.008 ms
64 bytes from 172.1.1.3: icmp_seq=6 ttl=128 time=0.980 ms
64 bytes from 172.1.1.3: icmp_seq=7 ttl=128 time=1.072 ms
64 bytes from 172.1.1.3: icmp_seq=8 ttl=128 time=1.114 ms
64 bytes from 172.1.1.3: icmp_seq=9 ttl=128 time=0.928 ms
64 bytes from 172.1.1.3: icmp_seq=10 ttl=128 time=-9.114 ms
64 bytes from 172.1.1.3: icmp_seq=11 ttl=128 time=1.071 ms
64 bytes from 172.1.1.3: icmp_seq=12 ttl=128 time=1.109 ms
64 bytes from 172.1.1.3: icmp_seq=13 ttl=128 time=1.213 ms
64 bytes from 172.1.1.3: icmp_seq=14 ttl=128 time=1.020 ms
64 bytes from 172.1.1.3: icmp_seq=15 ttl=128 time=0.932 ms
64 bytes from 172.1.1.3: icmp_seq=16 ttl=128 time=0.946 ms
64 bytes from 172.1.1.3: icmp_seq=17 ttl=128 time=1.012 ms
64 bytes from 172.1.1.3: icmp_seq=18 ttl=128 time=-9.080 ms
64 bytes from 172.1.1.3: icmp_seq=19 ttl=128 time=1.067 ms
64 bytes from 172.1.1.3: icmp_seq=20 ttl=128 time=1.311 ms
^C
----172.1.1.3 PING Statistics----
21 packets transmitted, 21 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = -9.114/-0.052/7.843/4.050 ms
batuffolo:/root>

N.B.: the previous tests were made on the same (my home) PC with 2 Netbsd
on VMWare cause I'm not in office. As the transfer rate on the VMWare is
the same I suppose the RTT similar to real PC to PC;

Regards,
Roberto