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Hello,
I reconfigured my servers from scratch. Now I'm getting "Connection refused"
from the Linux Director when doing a telnet to the VIP and "No route to
host" when doing a telnet from the client. Running tcpdump -i any port 80 on
the Director shows incoming connections:
13:03:01.069383 IP 211.248.223.87.dynamic.jazztel.es.4490 >
87-98-225-39.ovh.net.http: S 344934619:344934619(0) win 65535 <mss
1460,nop,nop,sackOK>
Running tcpdump -i any port 80 on the Real Server 1 shows no connections are
being received.
So I guess there is some type of problem with the director routing the
connection to the Real Sever.
Below is my actual configuration on both servers.
I have no idea where might the error be, so any tip would be greatly
appreciated.
Thank you,
Antoni
Linux Director
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 87-98-225-39.ovh.net:http rr
-> ns24396.ovh.net:http Route 1 0 2
____________________________________________________________________________
__________
eth0 Link encap:Ethernet HWaddr 00:1A:92:16:1C:F2
inet addr:91.121.30.157 Bcast:91.121.30.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:253841 errors:0 dropped:0 overruns:0 frame:93
TX packets:213580 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:38797273 (36.9 Mb) TX bytes:29028274 (27.6 Mb)
Interrupt:23
eth0:80 Link encap:Ethernet HWaddr 00:1A:92:16:1C:F2
inet addr:87.98.225.39 Bcast:87.98.225.39 Mask:255.255.255.255
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:23
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:342 errors:0 dropped:0 overruns:0 frame:0
TX packets:342 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:25202 (24.6 Kb) TX bytes:25202 (24.6 Kb)
_________________________________________
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt
Iface
87.98.225.39 0.0.0.0 255.255.255.255 UH 0 0 0
eth0
91.121.30.0 0.0.0.0 255.255.255.0 U 0 0 0
eth0
169.254.0.0 0.0.0.0 255.255.0.0 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 91.121.30.254 0.0.0.0 UG 0 0 0
eth0
_________________________________________
Ping from Linux Director to VIP:
ping -c 1 87.98.225.39
PING 87.98.225.39 (87.98.225.39) 56(84) bytes of data.
64 bytes from 87.98.225.39: icmp_seq=1 ttl=64 time=0.030 ms
--- 87.98.225.39 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.030/0.030/0.030/0.000 ms
Ping from Linux Director to Real Server 1:
ping -c 1 91.121.20.31
PING 91.121.20.31 (91.121.20.31) 56(84) bytes of data.
64 bytes from 91.121.20.31: icmp_seq=1 ttl=61 time=0.283 ms
--- 91.121.20.31 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.283/0.283/0.283/0.000 ms
_________________________________________
Telnet VIP from Linux Director
telnet 87.98.225.39 80
Trying 87.98.225.39...
telnet: connect to address 87.98.225.39: Connection refused
Real Server 1
____________________________________________________________________________
__________
eth0 Link encap:Ethernet HWaddr 00:16:76:B1:22:0D
inet addr:91.121.20.31 Bcast:91.255.255.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:68144 errors:0 dropped:0 overruns:0 frame:0
TX packets:189738 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:7129187 (6.7 Mb) TX bytes:22282893 (21.2 Mb)
Base address:0x3020 Memory:90b00000-90b20000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:3736 errors:0 dropped:0 overruns:0 frame:0
TX packets:3736 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:446830 (436.3 Kb) TX bytes:446830 (436.3 Kb)
lo:80 Link encap:Local Loopback
inet addr:87.98.225.39 Mask:255.255.255.255
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
_________________________________________
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt
Iface
87.98.225.39 0.0.0.0 255.255.255.255 UH 0 0 0 lo
91.121.20.0 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 91.121.20.254 0.0.0.0 UG 0 0 0
eth0
_________________________________________
Ping from Real Server 1 to VIP:
ping -c 1 87.98.225.39
PING 87.98.225.39 (87.98.225.39) 56(84) bytes of data.
64 bytes from 87.98.225.39: icmp_seq=1 ttl=64 time=0.020 ms
--- 87.98.225.39 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.020/0.020/0.020/0.000 ms
Ping from Real Server 1 to DIP:
ping -c 1 91.121.30.157
PING 91.121.30.157 (91.121.30.157) 56(84) bytes of data.
64 bytes from 91.121.30.157: icmp_seq=1 ttl=61 time=0.471 ms
--- 91.121.30.157 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.471/0.471/0.471/0.000 ms
_________________________________________
Successful connection from Real Server 1 to telnet 87.98.225.39 80
telnet 87.98.225.39 80
Trying 87.98.225.39...
Connected to 87.98.225.39.
Escape character is '^]'.
Successful connection from Real Server 1 to telnet 91.121.20.31 80
telnet 87.98.225.39 80
Trying 87.98.225.39...
Connected to 87.98.225.39.
Escape character is '^]'.
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