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Following trace shows that it takes ~10 minutes for the connection
to timeout, whereas the variable setting should make it happen after
less then 2 minutes.
Any ideas?
#
# netstat -in
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
ln0 1500 DLI none 729741 1 9791 322 444
ln0 1500 <Link> 08:00:2b:97:08:2a 729741 1 9791 322 444
ln0 1500 222.22.44 222.22.44.65 729741 1 9791 322 444
fta0 4352 DLI none 510752 0 56470 0 0
fta0 4352 <Link> 08:00:2b:b0:8b:29 510752 0 56470 0 0
fta0 4352 222.22.33 222.22.33.65 510752 0 56470 0 0
fta0 4352 OSI none 510752 0 56470 0 0
lo0 1536 <Link> 856 0 856 0 0
lo0 1536 127 127.0.0.1 856 0 856 0 0
#
# dbx -k /vmunix
dbx version 3.11.8
Type 'help' for help.
stopped at [thread_block:1914 ,0xfffffc00003ad4a8] Source not available
warning: Files compiled -g3: parameter values probably wrong
(dbx) p tcp_keepidle
120
(dbx) p tcp_keepintvl
2
(dbx) q
#
# tcpdump -i ln0 -e ether host 08:00:2b:97:08:2a
tcpdump: listening on ln0
Using kernel BPF filter
*** cable pulled out now
11:00:28.546560 8:0:2b:97:8:2a ab:0:0:2:0:0 moprc 48:
2000 0700 0000 0100 0304 0000 0200 0241
0064 0001 aa90 0101 0107 0006 0800 2b97
082a
11:00:28.546560 8:0:2b:97:8:2a ab:0:0:2:0:0 006e 124:
0700 0000 0100 0304 0000 0200 0241 0064
0001 aa90 0101 0107 0006 0800 2b97 082a
0a00 1000 ac75 0245 e4ce 01ff ffff
*** nothing happens until <return> pressed in window running telnet session
11:01:56.412848 8:0:2b:97:8:2a 8:0:2b:93:1a:8e arp 42: arp who-has
tss1.ods_lan.
ip tell o1651.sws_lan.ip
11:01:56.412848 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:01:57.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:02:00.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e arp 42: arp who-has
tss1.ods_lan.ip tell o1651.sws_lan.ip
11:02:00.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:02:06.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:02:06.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:02:18.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:02:18.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:02:42.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:02:42.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:03:30.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:03:30.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:04:34.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:04:34.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:05:11.679296 8:0:2b:97:8:2a 9:0:2b:2:1:2 0018 38:
0100 0000 0300 0000 0000 0000 0000 0000
11:05:16.720288 8:0:2b:97:8:2a 9:0:2b:2:1:2 0018 38:
0100 0000 0300 0000 0000 0000 0000 0000
11:05:21.761280 8:0:2b:97:8:2a 9:0:2b:2:1:2 0018 38:
0100 0000 0300 0000 0000 0000 0000 0000
11:05:38.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:05:38.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:06:42.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:06:42.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:07:46.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:07:46.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:08:50.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:08:50.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:09:54.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:09:54.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 56: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: P 125:127(2) ack 308 win 33580 [tos 0x10]
11:10:58.581696 8:0:2b:97:8:2a ff:ff:ff:ff:ff:ff arp 42: arp who-has
tss1.ods_la
n.ip tell o1651.sws_lan.ip
11:10:58.581696 8:0:2b:97:8:2a 8:0:2b:93:1a:8e ip 54: o1651.sws_lan.ip.1040 >
ts
s1.ods_lan.ip.telnet: R 127:127(0) ack 308 win 33580 [tos 0x10]
11:11:12.117120 8:0:2b:97:8:2a ab:0:0:2:0:0 moprc 48:
2000 0700 0000 0100 0304 0000 0200 0241
0064 0001 aa90 0101 0107 0006 0800 2b97
082a
11:11:12.117120 8:0:2b:97:8:2a ab:0:0:2:0:0 006e 124:
0700 0000 0100 0304 0000 0200 0241 0064
0001 aa90 0101 0107 0006 0800 2b97 082a
0a00 1000 bf0e 8246 e4ce 01ff ffff
78 packets
# date
Fri Sep 1 10:11:31 GMT 1995
# exit
#
--
_______________________________________________________________________________
Stuart Davidson, Digital Equipment Co.
Siemens ATM, Maastricht Eurocontrol UAC,
Horstweg 11, NL-6191 RX BEEK(1), Netherlands
Tel. (Work, NL) +31 43 3661452
E-Mail (Work, NL) [email protected]
E-Mail (Work, NL) [email protected]
E-Mail (Work, UK) [email protected]
_______________________________________________________________________________
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