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Hello All,
Please ignore this question, after I fix it. My problem is I didn't change
rp_filter from tunl0 in Realserver 3. Now it's working properly.
Wednesday, May 16, 2007, 12:44:15 PM, you wrote:
> Hello All,
> Last month I have success implement heartbeat LVS-TUN with
> ldirectord.conf in ldirector server:
> checktimeout=10
> checkinterval=2
> autoreload=yes
> logfile="/var/log/ldirectord.log"
> quiescent=yes
> virtual=10.10.20.100:25
> fallback=127.0.0.1:25
> real=10.10.20.130:25 ipip
> real=10.10.20.131:25 ipip
> service=smtp
> scheduler=wlc
> #persistent=600
> protocol=tcp
> And adding new VIP :
> eth0:0 Link encap:Ethernet HWaddr 00:13:72:25:ED:01
> inet addr:10.10.20.100 Bcast:10.10.20.255 Mask:255.255.255.0
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> Interrupt:177
> For Real Server:
> Adding tunl0:
> tunl0 Link encap:IPIP Tunnel HWaddr
> inet addr:10.10.20.100 Mask:255.255.255.255
> UP RUNNING NOARP MTU:1480 Metric:1
> RX packets:17197237 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:2374949221 (2.2 GiB) TX bytes:0 (0.0 b)
> and in sysctl.conf:
> net.ipv4.ip_forward = 1
> net.ipv4.conf.eth0.arp_ignore = 1
> net.ipv4.conf.eth0.arp_announce = 2
> net.ipv4.conf.all.arp_ignore = 1
> net.ipv4.conf.all.arp_announce = 2
> net.ipv4.conf.tunl0.arp_ignore = 1
> net.ipv4.conf.tunl0.arp_announce = 2
> And with 1 ldirector + 2 Realserver was work wonderfull. But today
> I add new real server with same configuration:
> a. Add tunl0 with same VIP
> b. Add sysctl.conf like above
> c. Same firewall with 2 realserver
> in ldirectord.conf now:
> checktimeout=10
> checkinterval=2
> autoreload=yes
> logfile="/var/log/ldirectord.log"
> quiescent=yes
> virtual=10.10.20.100:25
> fallback=127.0.0.1:25
> real=10.10.20.130:25 ipip
> real=10.10.20.131:25 ipip
> real=10.10.20.161:25 ipip
> service=smtp
> scheduler=wlc
> #persistent=600
> protocol=tcp
> But it's not work. Is there any missing step ?
> FYI:
> Ldirector using Fedora Core 5 with Kernel 2.6.18 and Real Server 1
> & 2 (which works) using Fedora Core 5 with Kernel 2.6.18 too. But
> latest real server (which not works) using CentOS 4.4 with kernel 2.6.9-42.
> If I checked the logs in latest realserver which not works, there
> is only connection from ldirector:
> May 16 19:30:04 trilian postfix/smtpd[15280]: connect from
> unknown[10.10.20.99]
> May 16 19:30:04 trilian postfix/smtpd[15280]: disconnect from
> unknown[10.10.20.99]
> May 16 19:30:06 trilian postfix/smtpd[15280]: connect from
> unknown[10.10.20.99]
> May 16 19:30:06 trilian postfix/smtpd[15280]: disconnect from
> unknown[10.10.20.99]
> May 16 19:30:08 trilian postfix/smtpd[15280]: connect from
> unknown[10.10.20.99]
> May 16 19:30:08 trilian postfix/smtpd[15280]: disconnect from
> unknown[10.10.20.99]
> May 16 19:30:10 trilian postfix/smtpd[15280]: connect from
> unknown[10.10.20.99]
> May 16 19:30:10 trilian postfix/smtpd[15280]: disconnect from
> unknown[10.10.20.99]
> May 16 19:30:12 trilian postfix/smtpd[15280]: connect from
> unknown[10.10.20.99]
> May 16 19:30:12 trilian postfix/smtpd[15280]: disconnect from
> unknown[10.10.20.99]
> but in successfully real server (Real server 1 & 2):
> May 16 12:38:29 tanahlot postfix/qmgr[26926]: B35A1810197: from=<>,
> size=3713, nrcpt=1 (queue active)
> May 16 12:38:29 tanahlot postfix/smtpd[29208]: disconnect from
> batubulan.net2cyber.net[127.0.0.1]
> May 16 12:38:29 tanahlot amavis[30211]: (30211-05) Passed CLEAN,
> [203.153.119.26] <> -> <kusnur@xxxxxxxxx>, Message-ID:
> <20070516053657.791E075477@cluster1>, mail_id: uxR-D6ZryJi9, Hits:
> -100.74, queued_as: B35A1810197, 231 ms
> May 16 12:38:29 tanahlot postfix/smtp[29222]: 865BA810163:
> to=<kusnur@xxxxxxxxx>, relay=127.0.0.1[127.0.0.1], delay=0,
> status=sent (250 2.6.0 Ok, id=30211-05, from MTA([127.0.0.1]:10025): 250 Ok:
> queued as B35A1810197)
> May 16 12:38:29 tanahlot postfix/qmgr[26926]: 865BA810163: removed
> May 16 12:38:29 tanahlot postfix/smtp[30379]: B35A1810197:
> to=<kusnur@xxxxxxxxxxxxxxxxxx>,
> relay=metro.com.s7a1.psmtp.com[64.18.6.14], delay=0, status=sent
> (250 M2007051612381705120 Message accepted for delivery)
> If I tried to remove working Realserver 1 & 2 and let only
> Realserver 3 which not work in ldirectord.conf, then trying to
> telnet port 25 to Virtual IP, then there is no response. Trying
> check tcpdump in Realserver 3 seems, there is no smtp connection
> from outside except from LDirector server. But If I telnet to port
> 25 in Real IP (not tunl0) then I get response like smtp connection.
> Need your help
--
Best regards,
Kalpin mailto:kalpin@xxxxxxxxxxxxx
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