On 3/8/2011 8:57 AM, Matt wrote: > I just got an inexpensive VPS too have an outside server to play/test > with. I am pinging it every 5 minutes and graphing with MRTG on > another CentOS box. This works fine to all servers but the VPS. The > first ping to the VPS is always crud and following ones are fine. > > [root at ns1 scripts]# ping X > PING X 56(84) bytes of data. > 64 bytes from X: icmp_seq=1 ttl=55 time=773 ms > 64 bytes from X: icmp_seq=2 ttl=55 time=42.4 ms > 64 bytes from X: icmp_seq=3 ttl=55 time=42.8 ms > 64 bytes from X: icmp_seq=4 ttl=55 time=43.1 ms > > Makes my graph for that one look real bad because it looks at first > ping only. Thought about modifying my script to send a warm up ping > first but I just don't think I should have to do that or is this a > normal thing for a VPS that is pretty much idle? How many routers are there between you and the target? Normally they cache recently-used routes for a short time but have to do a more expensive lookup for the first access. That probably has more of an effect than the target's own response. -- Les Mikesell lesmikesell at gmail.com