nat on bridge

2007-05-11 Thread Igor Popov
hi. I have a question about NAT on bridge. Network diagram: [PPPoE clients 192.168.0.0/16 and real ip] <-->[PPPoE concetrator 80.0.0.1/29]<>[em0 FreeBSD bridge and NAT 80.0.0.2/29 em1]<->80.0.0.3/29[BGP Router] Why bridge? Both PPPoE concentrator and BGP router are Cisco router

load balancing on two gw with nat and one ext_if

2007-06-04 Thread Igor Popov
Hi. There is example how to balance traffice on two isp (http://www.openbsd.org/faq/pf/pools.html). I'm interestiong what rules should be used for load balancing in situation where external network interface and two gateways are in the same ip subnet and ip address of external interface

nat and ftp-proxy on ethernet bridge

2007-07-09 Thread Igor Popov
Hi, all. System is FreeBSD 6.2, it has two em[01] interfaces, there is a bridge between them and on bridge0 there is NAT for internal adrresses (192.168.0.0/20), all other packets are switched through bridge: [PPPoE clients 192.168.0.0/20 and real ip]<--xDSL-->[PPPoE AC 80.0.0.1/29]<-->[em0 F

Re: nat and ftp-proxy on ethernet bridge

2007-08-07 Thread Igor Popov
On Friday 13 July 2007 21:36:13 you wrote: > On 07/09/2007 07:45:58 AM, Igor Popov wrote: > > Bridge works, NAT works, but problems with ftp - control connection is > > > > established, but data connection is dropped. Of course, without > > ftp-proxy > > passive

nat on address pool, onr address is broadcast and/or subnet

2007-09-19 Thread Igor Popov
Hi, all. Simple question Say, I have: # ifconfig em1 em1: flags=8843 mtu 1500 options=4b inet q broadcast 80.0.0.31 inet 80.0.0.28 netmask 0x broadcast 80.0.0.28 inet 80.0.0.29 netmask 0x broadcast 80.0.0.29 inet 80.0.0.30 netmask 0

Bridge NAT ALTQ

2007-10-02 Thread Igor Popov
Hi, all. I have machine that works like bridge for external routing ip addresses and NAT for range of rfc1918 addresses. # uname -a FreeBSD bignat.isp.ru 6.2-STABLE FreeBSD 6.2-STABLE #0: Fri Sep 28 11:52:21 UTC 2007 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/BIG_NAT amd64 # ifconfig