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Hi!
I'm trying to set up LVS_NAT, the simplest version from LVS_HOWTO, one director
and two realservers. I,ve got a problem on RS: directors default gw isn't two
hoops from realserver (all IPs are from howto).
Thanx for any help.
Pawel Osko.
****************************
My lvsnat.conf:
LVS_TYPE=VS_NAT
INITIAL_STATE=on
VIP=eth0:110 192.168.1.110 255.255.255.0 192.168.1.255
DIRECTOR_INSIDEIP=eth0 10.1.1.9 192.168.1.0 255.255.255.0 192.168.1.255
DIRECTOR_DEFAULT_GW=192.168.1.254
SERVICE=t telnet rr 10.1.1.2:telnet 10.1.1.3:telnet
SERVER_NET_DEVICE=eth0
SERVER_DEFAULT_GW=10.1.1.9
************************************
rc.lvsnat > log.txt (on director):
looking for standard utilities
$IPCHAINS=/sbin/ipchains
$PING=/bin/ping -c 1
$IFCONFIG=/sbin/ifconfig
$NETSTAT=/bin/netstat
$ROUTE=/sbin/route
$AWK=/usr/bin/awk
$AWK=/bin/awk
fping not found, using ping instead
$FPING=/bin/ping -c 1
done
LVS
director
clearing ipchain rules
turn on ip forwarding
adding ethernet device and
routing for VIP 192.168.1.110
listing ifconfig info for VIP 192.168.1.110
eth0:110 Link
encap:Ethernet HWaddr 00:C0:4F:B4:2B:06
inet addr:192.168.1.110
Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
Interrupt:11 Base address:0xdcc0
checking VIP 192.168.1.110 is
reachable from self (director): PING 192.168.1.110 (192.168.1.110) from
192.168.1.110 :
56(84) bytes of data.
64 bytes from 192.168.1.110: icmp_seq=0 ttl=255 time=0.2 ms
---
192.168.1.110 ping statistics ---
1 packets transmitted, 1 packets received, 0% packet
loss
round-trip min/avg/max = 0.2/0.2/0.2 ms
listing routing info for VIP 192.168.1.110
192.168.1.110 0.0.0.0 255.255.255.255 UH 0 0 0 eth0
installing
LVS services with ipvsadm
checking if server 10.1.1.2 is reachable from director: PING
10.1.1.2 (10.1.1.2) from 10.1.1.9 : 56(84) bytes of data.
64 bytes from 10.1.1.2: icmp_seq=0
ttl=255 time=1.0 ms
--- 10.1.1.2 ping statistics ---
1 packets transmitted, 1 packets
received, 0% packet loss
round-trip min/avg/max = 1.0/1.0/1.0 ms
checking if server 10.1.1.3
is reachable from director: PING 10.1.1.3 (10.1.1.3) from 10.1.1.9 : 56(84)
bytes of data.
64 bytes from 10.1.1.3: icmp_seq=0 ttl=255 time=0.6 ms
--- 10.1.1.3 ping statistics ---
1
packets transmitted, 1 packets received, 0% packet loss
round-trip min/avg/max = 0.6/0.6/0.6
ms
displaying ipvsadm settings
IP Virtual Server version 1.0.8 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port
Forward Weight ActiveConn InActConn
TCP 192.168.1.110:telnet rr
->
10.1.1.3:telnet Masq 1 0 0
-> 10.1.1.2:telnet
Masq 1 0 0
installing ipchain rules
masquerading tcp
10.1.1.2:telnet:tcp to outside world
masquerading tcp 10.1.1.3:telnet:tcp to outside world
ipchain rules
Chain input (policy ACCEPT):
Chain forward (policy ACCEPT):
target prot
opt source destination ports
MASQ tcp ------ 10.1.1.2
anywhere telnet -> any
MASQ tcp ------ 10.1.1.3
anywhere telnet -> any
Chain output (policy ACCEPT):
changing default gw
to 192.168.1.254
showing routing table
Kernel IP routing table
Destination Gateway
Genmask Flags MSS Window irtt Iface
10.1.1.9 0.0.0.0
255.255.255.255 UH 0 0 0 eth0
192.168.1.110 0.0.0.0
255.255.255.255 UH 0 0 0 eth0
192.168.1.0 0.0.0.0 255.255.255.0
U 0 0 0 eth0
10.1.1.0 0.0.0.0 255.255.255.0 U 0 0
0 eth0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0
lo
0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 eth0
checking
if DEFAULT_GW 192.168.1.254 is reachable - PING 192.168.1.254 (192.168.1.254)
from
192.168.1.110 : 56(84) bytes of data.64 bytes from 192.168.1.254: icmp_seq=0
ttl=255
time=1.9 ms--- 192.168.1.254 ping statistics ---1 packets transmitted, 1
packets received,
0% packet lossround-trip min/avg/max = 1.9/1.9/1.9 ms, good
checking for valid
server_gw
default gw for the vs-nat servers is on director, good
--
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