nanog mailing list archives
Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec
From: Min <qiu.min98 () gmail com>
Date: Mon, 7 May 2007 21:15:29 -0400
After all the discussion, the difference of last hop of the trace (from original email)
15 89.1.148.230.dynamic.barak-online.net (89.1.148.230) 251.923 ms
256.817 ms * And the ping result
64 bytes from 89.1.148.230: icmp_seq=6 ttl=240 time=190 ms
is still quite interesting. I assumed the last hop is the cisco 871 (IP=89.1.148.230). It will be good to know what cause the difference if you have full controll of the 871. Min On 5/7/07, Lincoln Dale <ltd () interlink com au> wrote:
> Lower than 1500 mtu always requires some kind of hack in real life. > > That would be the adjust-mss which is the hack-of-choice note that using 'adjust-mss' only adjusts the MSS for TCP. it won't do much good for already-encapsulated IPSec traffic with protocol 47 or tunneled over UDP... cheers, lincoln.
Current thread:
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec, (continued)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Maimon (May 06)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Adrian Chadd (May 06)
- RE: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Lincoln Dale (May 06)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Steven M. Bellovin (May 06)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Maimon (May 06)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Jo Rhett (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Maimon (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Peter Dambier (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Jo Rhett (May 07)
- RE: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Lincoln Dale (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Min (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Maimon (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Maimon (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Adrian Chadd (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Maimon (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Adrian Chadd (May 07)
- RE: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Lincoln Dale (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Shen (May 07)
- RE: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Lincoln Dale (May 07)
- Re: barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec Joe Maimon (May 07)