Date: Mon, 1 Jul 2013 13:20:12 +0430 From: h bagade <bagadeh@gmail.com> To: Alan Somers <asomers@freebsd.org> Cc: freebsd-net@freebsd.org Subject: Re: probable side effects of deleting interfaces ip addresses(loopback ones) from routing table ! Message-ID: <CAARSjE04%2BzUUe==sBYQ8MJavZvHnBhwhcdhN3Cn4fGb94MHMJQ@mail.gmail.com> In-Reply-To: <CAOtMX2hjXTRKZnVz3Q=uyJ%2BFSfoSAeM4zBwHEQ6_zkFvwkTx_w@mail.gmail.com> References: <CAARSjE1Xv5U_zbqpSY_rOa-YiyM-Qzs1Eh-anwAEXzSOCm048A@mail.gmail.com> <CAARSjE1D5rukTzB%2Bahs5PYEcd9CqYJ5J-cnU76smmihnwGRK_w@mail.gmail.com> <CAOtMX2hjXTRKZnVz3Q=uyJ%2BFSfoSAeM4zBwHEQ6_zkFvwkTx_w@mail.gmail.com>
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Thanks Alan for your helpful reply. As in my test cable was always connected, I didn't have any problem pinging my own interface ip. I think it's better to keep interface loopback ip rather than deleting them to avoid the problem you mentioned besides performance reduction. On Thu, Jun 27, 2013 at 7:35 PM, Alan Somers <asomers@freebsd.org> wrote: > The network route uses your real interface, eg igb0. But the > interface IP's route is bound to lo0. So if you delete your interface > route, any packets sent to the interface IP will actually go out the > real interface. In an experiment, my ping times suggest that those > packets are actually going out to the switch and coming back. So if > you delete your interface route, you will have reduced performance > when talking to your interface address, and you'll also be unable to > talk to your own interface address if your ethernet cable gets pulled > out. I wouldn't do it if I were you. > > On Wed, Jun 26, 2013 at 10:35 PM, h bagade <bagadeh@gmail.com> wrote: > > On Sat, Jun 22, 2013 at 12:25 PM, h bagade <bagadeh@gmail.com> wrote: > > > >> Hi all, > >> > >> I've deleted the interface ip address from routing table and only keep > the > >> network address. Nothing is behaving unusual afterwards. I think this > >> loopback ip address is added for better performance. My question is > would I > >> get in to trouble by deleting these ip addresses from routing table or > >> it's, as I think, just a matter of performance? > >> > >> Thanks in advance > >> > > > > I've done further tests after deleting loopback ip addresses and my > system > > works correctly without any side effects! Is that really OK with deleting > > these ip addresses? > > _______________________________________________ > > freebsd-net@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-net > > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >
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