nanog mailing list archives
Re: Emulating a cellular interface
From: Suresh Rajagopalan <sraja97 () gmail com>
Date: Sat, 6 Nov 2010 16:22:24 -0700
Or Linux Netem http://www.linuxfoundation.org/collaborate/workgroups/networking/netem Suresh On Sat, Nov 6, 2010 at 6:50 AM, Andy Davidson <andy () nosignal org> wrote:
On 6 Nov 2010, at 05:53, Saqib Ilyas wrote:A friend of mine is doing some testing where he wishes to emulate a cellular-like interfaces with random drops and all, out of an ethernet interface. Since we have plenty of network and system ops on the list, I thought we might have luck posting the question here. Is anyone aware of a simple tool to do this, other than rather involved configuration of iptables?Not withstanding Mikael's comments that it shouldn't be lossy, at times when you want to simulate lossy (and jittery, and shaped, and ....) conditions, the best way I have found to do this is FreeBSD's dummynet : http://www.freebsd.org/cgi/man.cgi?query=ipfw&sektion=8#TRAFFIC_SHAPER_(DUMMYNET)_CONFIGURATION Andy
Current thread:
- Emulating a cellular interface Saqib Ilyas (Nov 05)
- Re: Emulating a cellular interface Mikael Abrahamsson (Nov 05)
- Re: Emulating a cellular interface Andrew Kirch (Nov 05)
- Re: Emulating a cellular interface Saqib Ilyas (Nov 05)
- Re: Emulating a cellular interface Andy Davidson (Nov 06)
- Message not available
- Re: Emulating a cellular interface Suresh Rajagopalan (Nov 06)
- Message not available
- Re: Emulating a cellular interface Adrian Chadd (Nov 06)
- Re: Emulating a cellular interface Henry Linneweh (Nov 10)
- Re: Emulating a cellular interface Saqib Ilyas (Nov 11)