Re: IPNAT seems to affect network performance? of jails on lo0 (10.0.0.0/24) - why?

2012-07-04 Thread Kalle Møller
virtualized host, I run FreeBSD 8.3-RELEASE-p3 and some qjails, 8.3-RELEASE. The jails are connected all via lo0 on 10.0.0.0. While by the large working as expected, I have noticed one pecularity I have failed to pinpoint: When launching processes with some network interaction, like

Re: IPNAT seems to affect network performance? of jails on lo0 (10.0.0.0/24) - why?

2012-06-26 Thread Christopher J. Ruwe
On Mon, 25 Jun 2012 18:23:56 -0400 Robert Huff roberth...@rcn.com wrote: Christopher J. Ruwe writes: On a KVM virtualized host, I run FreeBSD 8.3-RELEASE-p3 and some qjails, 8.3-RELEASE. The jails are connected all via lo0 on 10.0.0.0. While by the large working as expected

IPNAT seems to affect network performance? of jails on lo0 (10.0.0.0/24) - why?

2012-06-25 Thread Christopher J. Ruwe
On a KVM virtualized host, I run FreeBSD 8.3-RELEASE-p3 and some qjails, 8.3-RELEASE. The jails are connected all via lo0 on 10.0.0.0. While by the large working as expected, I have noticed one pecularity I have failed to pinpoint: When launching processes with some network interaction, like

IPNAT seems to affect network performance? of jails on lo0 (10.0.0.0/24) - why?

2012-06-25 Thread Robert Huff
Christopher J. Ruwe writes: On a KVM virtualized host, I run FreeBSD 8.3-RELEASE-p3 and some qjails, 8.3-RELEASE. The jails are connected all via lo0 on 10.0.0.0. While by the large working as expected, I have noticed one pecularity I have failed to pinpoint: When launching

epair0a routes to lo0?

2009-12-23 Thread Anh Ky Huynh
-rantfinet DestinationGatewayFlagsRefs Use Netif Expire default192.168.0.1UGS 00em0 10.0.4.0/24link#6 U 00 epair1 10.0.4.1 link#6 UHS 00lo0 10.0.4.3

Routes to local addresses through lo0 on 8.0-BETA4

2009-09-14 Thread Sergey Listopad
Hi! On 8.0-BETA4 gate I see than in routing table are number of routes (link# records) through lo0 for some local addresses: hole netstat -rnfinet | grep lo0 127.0.0.1 link#7 UH 030764lo0 172.22.254.10 link#7 UHS 00lo0

Re: Routes to local addresses through lo0 on 8.0-BETA4

2009-09-14 Thread Nikos Vassiliadis
Sergey Listopad wrote: Hi! On 8.0-BETA4 gate I see than in routing table are number of routes (link# records) through lo0 for some local addresses: hole netstat -rnfinet | grep lo0 127.0.0.1 link#7 UH 030764lo0 172.22.254.10 link#7 UHS

lo0 not in ioctl( SIOCGIFCONF )

2008-07-20 Thread Jens Rehsack
Hi, I was searching why ports/net/p5-Net-Interface was not working as expected and found some reasons. Most of them I can answer by implementing some test code as attached, but now I'm wondering why em0 is shown twice and lo0 is not included. The same situation on another machine .. --- BEGIN

lo0 not in ioctl( SIOCGIFCONF )

2008-07-20 Thread Jens Rehsack
Hi (resend because attachment forgotten ...), I was searching why ports/net/p5-Net-Interface was not working as expected and found some reasons. Most of them I can answer by implementing some test code as attached, but now I'm wondering why em0 is shown twice and lo0 is not included. The same

arp: 192.168.1.1 is on lo0 but got reply from...

2007-10-30 Thread Modulok
One of my FreeBSD machines acts as a router, providing shared internet access via ipfw/natd to the local network. Recently I've been getting a lot of these in the logs: arp: 192.168.1.1 is on lo0 but got reply from (someEthernetAddress) on xl1 xl1 is my Internet-facing interface. The address

RE: 192.168.1.1 is on lo0 but got reply from...

2007-10-30 Thread Brent Jones
Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Modulok Sent: Monday, 29 October 2007 4:57 p.m. To: freebsd-questions@freebsd.org Subject: arp: 192.168.1.1 is on lo0 but got reply from... One of my FreeBSD machines acts as a router, providing shared internet access via ipfw

routed on lo0 device

2004-11-01 Thread Michael Jeung
Hello everyone, I'm trying to get past a sticky routing situation by running routed on all of my machines in my server cluster. I've been instructed by several sources of authority that the best solution for a multi-homed ip address scenario is bind the ip addresses to the loopback device and

tcpflow and lo0

2004-03-08 Thread Ksenia Marasanova
Hi list, Just want to make sure this is not a FreeBSD issue: Is anyone using tcpflow to sniff packets on loopback interface? When I try # tcpflow -c -v -i lo0 (-v to get all possible debug messages) and then ping localhost for example, I always get: tcpflow[31634]: warning: received non

Aliasing lo0

2002-11-29 Thread Christopher Weimann
I needed to put an alias on lo0 for 127.0.0.2 and I made the mistake of assuming this would work like any other interface but that isn't the case. ifconfig inet lo0 127.0.0.2 netmask 255.255.255.255 alias results in an ip that I can ping but when I startup dnscache and ask it to listen

Re: lo0

2002-10-30 Thread Giorgos Keramidas
On 2002-10-28 23:35, adrian kok [EMAIL PROTECTED] wrote: I don't understand about the interface lo0 If it is for loopback, why I got the following from ipfw -a list but I didn't ping 127.0.0.1 A network interface doesn't exist solely for the purpose of being able to run ping on it. Other