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Subjecterror packets with syslog
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we use two vpn gateways with ipsec and two terminal servers behind it.

one server write syslog entries to the other subnet accross the vpn. these
packets marked as error packets in the first gateway.

TerminalServer-1
|
Gateway-1
|
Gateway-2
|
Destination for Logging


TerminalServer-1 has following syslog.conf entry :

*.* @10.2.4.6

Gateway-1 show following interface statistic, if syslog-rule is active :

eth0 Link encap:Ethernet HWaddr 00:B0:D0:68:74:3E
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:47798 errors:0 dropped:0 overruns:0 frame:0
TX packets:336401 errors:0 dropped:0 overruns:0 carrier:0
collisions:231 txqueuelen:100
Interrupt:5

eth1 Link encap:Ethernet HWaddr 00:03:47:42:03:A7
inet addr:10.1.1.1 Bcast:10.1.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:764146 errors:509636 dropped:509636 overruns:20263
frame:0 TX packets:45921 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
Interrupt:11 Memory:fe000000-fe020000

ipsec0 Link encap:Ethernet HWaddr 00:B0:D0:68:74:3E
UP RUNNING NOARP MTU:16260 Metric:1
RX packets:17547 errors:0 dropped:5 overruns:0 frame:0
TX packets:17639 errors:2030 dropped:0 overruns:0 carrier:2030
collisions:0 txqueuelen:10

if i stopped the syslog-rule on TerminalServer-1 i didn't get any error
packets. if the rule is active i got a lot of them. why ?
informations of servers :

TerminalServer-1 : RedHat 7.0 with delivered RedHat-Kernel
Gateway-1 : RedHat 7.1 with Kernel 2.4.3 and FreeSWan 1.9.




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