keepalive

[Pavel Urban]

Zdravim,

nevite, cim by mohlo byt, ze Linux nekeepalivuje (jeje, to je hnusne 
slovo ;-), ackoliv by mel? Je to posledni RedHati kernel pro 7.3, tj. 
2.4.18 plus RH patche.

12:40:01.551363 192.168.30.22.51958 > 192.168.30.132.ldap: SWE 
3000019746:3000019746(0) win 5840 <mss 1460,sackOK,timestamp 276613988 
0,nop,wscale 0> (DF)
12:40:01.551712 192.168.30.132.ldap > 192.168.30.22.51958: S 
339480408:339480408(0) ack 3000019747 win 32832 <nop,nop,timestamp 
283497249 276613988,nop,wscale 3,nop,nop,sackOK,mss 1380> (DF)
12:40:01.551761 192.168.30.22.51958 > 192.168.30.132.ldap: . ack 1 win 
5840 <nop,nop,timestamp 276613988 283497249> (DF)
12:40:01.554604 192.168.30.22.51958 > 192.168.30.132.ldap: P 1:69(68) 
ack 1 win 5840 <nop,nop,timestamp 276613988 283497249> (DF)
12:40:01.554832 192.168.30.132.ldap > 192.168.30.22.51958: . ack 69 win 
32823 <nop,nop,timestamp 283497250 276613988> (DF)
12:40:01.602257 192.168.30.132.ldap > 192.168.30.22.51958: P 1:15(14) 
ack 69 win 32832 <nop,nop,timestamp 283497255 276613988> (DF)
12:40:01.602292 192.168.30.22.51958 > 192.168.30.132.ldap: . ack 15 win 
5840 <nop,nop,timestamp 276613993 283497255> (DF)
13:52:34.439846 192.168.30.22.51958 > 192.168.30.132.ldap: F 69:69(0) 
ack 15 win 5840 <nop,nop,timestamp 277049228 283497255> (DF)
13:52:34.439936 192.168.30.132.ldap > 192.168.30.22.51958: R 15:15(0) 
ack 70 win 5840 <nop,nop,timestamp 277049228 283497255> (DF)

pokud dobre vidim, tak se hodinu a deset minut nic nedelo, prestoze
# cat /proc/sys/net/ipv4/tcp_keepalive_time
1200
...

-- 
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Pavel Urban (pavel.urban na hq.iol.cz)
IOL system disaster
Internet OnLine, www.iol.cz
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    Vegetables should not operate electronic equipment.
           Computer Stupidities, http://rinkworks.com/stupid/
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