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SubjectRe: 1000ms delay in networking stack or driver, new bug?
On Wed, 22 Sep 1999 kuznet@ms2.inr.ac.ru wrote:

> I repeat the request: gentlemen, please, make tcpdump both on
> wire and on local host with "tcpdump -i eth0 -n -v -s 256 -x icmp",
> when pinging. The investigation even will not be started until
> I get at least one report of this kind.

Ok, I've managed to reproduce this. 'local' is a K6-2 400 with 256MB RAM,
with a single Tulip card running with the DE4x5 driver compiled in. Kernel
is currently 2.2.10 built with gcc 2.7.2.3, distro is RH6. Network options
include firewall and aliases. No ISDN, dhcp, fancy routing, masquerading,
etc. 'remote' is another machine on the same 10mbit network.

To try to reproduce the problem, I logged in from a third machine and ran
'/etc/rc.d/init.d/network restart'. This script is hacked to start an
array of virtual interfaces and configure the firewall. I ran this several
times without incident, but the first time I ran it _while pinging the
machine_, ping times got wacky. Telnet and ssh immediately started showing
huge latencies as well, BUT my original ssh session continued to operate
normally! Restarting networking afterwards did not clean up the problem -
a reboot was required.

In the past, I've seen the ping times be much closer to even multiples of
1s, but I suspect that was with no other network activity (usually during
down time).

--------------------------- Remote dump ---------------------------------------
11:32~# ping -i 5 local
PING local (ll.ll.ll.ll): 56 data bytes
64 bytes from ll.ll.ll.ll: icmp_seq=0 ttl=255 time=2752.4 ms
64 bytes from ll.ll.ll.ll: icmp_seq=1 ttl=255 time=2034.5 ms
64 bytes from ll.ll.ll.ll: icmp_seq=2 ttl=255 time=1096.9 ms
64 bytes from ll.ll.ll.ll: icmp_seq=3 ttl=255 time=586.7 ms
64 bytes from ll.ll.ll.ll: icmp_seq=4 ttl=255 time=1276.1 ms
64 bytes from ll.ll.ll.ll: icmp_seq=5 ttl=255 time=1129.5 ms
64 bytes from ll.ll.ll.ll: icmp_seq=6 ttl=255 time=617.7 ms
64 bytes from ll.ll.ll.ll: icmp_seq=7 ttl=255 time=2488.2 ms
64 bytes from ll.ll.ll.ll: icmp_seq=8 ttl=255 time=1755.0 ms
64 bytes from ll.ll.ll.ll: icmp_seq=9 ttl=255 time=753.3 ms
64 bytes from ll.ll.ll.ll: icmp_seq=10 ttl=255 time=2765.2 ms
64 bytes from ll.ll.ll.ll: icmp_seq=11 ttl=255 time=2202.1 ms
64 bytes from ll.ll.ll.ll: icmp_seq=12 ttl=255 time=1462.0 ms
64 bytes from ll.ll.ll.ll: icmp_seq=13 ttl=255 time=2470.2 ms
64 bytes from ll.ll.ll.ll: icmp_seq=14 ttl=255 time=2827.6 ms
64 bytes from ll.ll.ll.ll: icmp_seq=15 ttl=255 time=1903.3 ms
64 bytes from ll.ll.ll.ll: icmp_seq=16 ttl=255 time=2000.8 ms
64 bytes from ll.ll.ll.ll: icmp_seq=17 ttl=255 time=3359.7 ms
64 bytes from ll.ll.ll.ll: icmp_seq=18 ttl=255 time=2416.4 ms
64 bytes from ll.ll.ll.ll: icmp_seq=19 ttl=255 time=2000.8 ms
64 bytes from ll.ll.ll.ll: icmp_seq=20 ttl=255 time=2000.7 ms
64 bytes from ll.ll.ll.ll: icmp_seq=21 ttl=255 time=2317.6 ms
64 bytes from ll.ll.ll.ll: icmp_seq=22 ttl=255 time=2001.0 ms
64 bytes from ll.ll.ll.ll: icmp_seq=23 ttl=255 time=1793.4 ms
64 bytes from ll.ll.ll.ll: icmp_seq=24 ttl=255 time=1482.8 ms
64 bytes from ll.ll.ll.ll: icmp_seq=25 ttl=255 time=1489.6 ms
64 bytes from ll.ll.ll.ll: icmp_seq=26 ttl=255 time=852.4 ms
64 bytes from ll.ll.ll.ll: icmp_seq=27 ttl=255 time=1476.1 ms
64 bytes from ll.ll.ll.ll: icmp_seq=28 ttl=255 time=2000.7 ms
64 bytes from ll.ll.ll.ll: icmp_seq=29 ttl=255 time=3392.5 ms
64 bytes from ll.ll.ll.ll: icmp_seq=30 ttl=255 time=3602.5 ms
64 bytes from ll.ll.ll.ll: icmp_seq=31 ttl=255 time=3995.4 ms

--- local ping statistics ---
37 packets transmitted, 32 packets received, 13% packet loss
round-trip min/avg/max = 586.7/2009.4/3995.4 ms
11:34~# ping -i 5 local > /dev/null&
[1] 15999
11:36~# tcpdump -i eth0 -n -v -s 256 -x icmp and host local
tcpdump: listening on eth1
11:36:10.467278 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35542)
4500 0054 8ad6 0000 ff01 f50f LLLL LLLL
RRRR RRRR 0000 cff0 7f3e 1300 f756 ea37
cf3e 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:12.147421 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 25787)
4500 0054 64bb 0000 4001 da2b RRRR RRRR
LLLL LLLL 0800 e8ed 7f3e 1400 fc56 ea37
a841 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:12.147421 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 25787)
4500 0054 64bb 0000 4001 da2b RRRR RRRR
LLLL LLLL 0800 e8ed 7f3e 1400 fc56 ea37
a841 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:14.047583 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35556)
4500 0054 8ae4 0000 ff01 f501 LLLL LLLL
RRRR RRRR 0000 f0ed 7f3e 1400 fc56 ea37
a841 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:17.147847 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 25939)
4500 0054 6553 0000 4001 d993 RRRR RRRR
LLLL LLLL 0800 a0ed 7f3e 1500 0157 ea37
ea41 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:17.147847 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 25939)
4500 0054 6553 0000 4001 d993 RRRR RRRR
LLLL LLLL 0800 a0ed 7f3e 1500 0157 ea37
ea41 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:22.148272 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26163)
4500 0054 6633 0000 4001 d8b3 RRRR RRRR
LLLL LLLL 0800 bae8 7f3e 1600 0657 ea37
ca46 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:22.148272 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26163)
4500 0054 6633 0000 4001 d8b3 RRRR RRRR
LLLL LLLL 0800 bae8 7f3e 1600 0657 ea37
ca46 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:22.148272 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35580)
4500 0054 8afc 0000 ff01 f4e9 LLLL LLLL
RRRR RRRR 0000 a8ed 7f3e 1500 0157 ea37
ea41 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:24.558477 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35591)
4500 0054 8b07 0000 ff01 f4de LLLL LLLL
RRRR RRRR 0000 c2e8 7f3e 1600 0657 ea37
ca46 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:27.148697 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26412)
4500 0054 672c 0000 4001 d7ba RRRR RRRR
LLLL LLLL 0800 44ea 7f3e 1700 0b57 ea37
3a45 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:27.148697 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26412)
4500 0054 672c 0000 4001 d7ba RRRR RRRR
LLLL LLLL 0800 44ea 7f3e 1700 0b57 ea37
3a45 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:29.718916 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35617)
4500 0054 8b21 0000 ff01 f4c4 LLLL LLLL
RRRR RRRR 0000 4cea 7f3e 1700 0b57 ea37
3a45 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:32.149123 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26613)
4500 0054 67f5 0000 4001 d6f1 RRRR RRRR
LLLL LLLL 0800 d2e2 7f3e 1800 1057 ea37
a64c 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:32.149123 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26613)
4500 0054 67f5 0000 4001 d6f1 RRRR RRRR
LLLL LLLL 0800 d2e2 7f3e 1800 1057 ea37
a64c 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:35.449403 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35645)
4500 0054 8b3d 0000 ff01 f4a8 LLLL LLLL
RRRR RRRR 0000 dae2 7f3e 1800 1057 ea37
a64c 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:37.149548 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26934)
4500 0054 6936 0000 4001 d5b0 RRRR RRRR
LLLL LLLL 0800 d8e6 7f3e 1900 1557 ea37
9a48 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:37.149548 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 26934)
4500 0054 6936 0000 4001 d5b0 RRRR RRRR
LLLL LLLL 0800 d8e6 7f3e 1900 1557 ea37
9a48 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:36:40.539836 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35660)
4500 0054 8b4c 0000 ff01 f499 LLLL LLLL
RRRR RRRR 0000 e0e6 7f3e 1900 1557 ea37
9a48 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
------------------------------- Local dump ---------------------------------
11:34local~# tcpdump -i eth0 -n -v -s 256 -x port 23 and host remote
tcpdump: listening on eth0
11:34:52.147878 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 23623)
4500 0054 5c47 0000 4001 e29f RRRR RRRR
LLLL LLLL 0800 da05 7f3e 0400 ac56 ea37
172a 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:34:52.894863 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35166)
4500 0054 895e 0000 ff01 f687 LLLL LLLL
RRRR RRRR 0000 bc0b 7f3e 0300 a756 ea37
4324 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:34:56.758613 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35179)
4500 0054 896b 0000 ff01 f67a LLLL LLLL
RRRR RRRR 0000 e205 7f3e 0400 ac56 ea37
172a 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:34:57.147716 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 23821)
4500 0054 5d0d 0000 4001 e1d9 RRRR RRRR
LLLL LLLL 0800 6906 7f3e 0500 b156 ea37
8229 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:01.374930 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35193)
4500 0054 8979 0000 ff01 f66c LLLL LLLL
RRRR RRRR 0000 7106 7f3e 0500 b156 ea37
8229 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:02.147581 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 23883)
4500 0054 5d4b 0000 4001 e19b RRRR RRRR
LLLL LLLL 0800 c106 7f3e 0600 b656 ea37
2429 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:04.003525 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35207)
4500 0054 8987 0000 ff01 f65e LLLL LLLL
RRRR RRRR 0000 c906 7f3e 0600 b656 ea37
2429 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:07.148013 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 23920)
4500 0054 5d70 0000 4001 e176 RRRR RRRR
LLLL LLLL 0800 1205 7f3e 0700 bb56 ea37
cd2a 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:10.113208 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35233)
4500 0054 89a1 0000 ff01 f644 LLLL LLLL
RRRR RRRR 0000 1a05 7f3e 0700 bb56 ea37
cd2a 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:12.148451 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 23942)
4500 0054 5d86 0000 4001 e160 RRRR RRRR
LLLL LLLL 0800 5a03 7f3e 0800 c056 ea37
7f2c 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:14.288654 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35259)
4500 0054 89bb 0000 ff01 f62a LLLL LLLL
RRRR RRRR 0000 6203 7f3e 0800 c056 ea37
7f2c 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:17.148820 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 23979)
4500 0054 5dab 0000 4001 e13b RRRR RRRR
LLLL LLLL 0800 cc01 7f3e 0900 c556 ea37
072e 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:20.833401 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35280)
4500 0054 89d0 0000 ff01 f615 LLLL LLLL
RRRR RRRR 0000 d401 7f3e 0900 c556 ea37
072e 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:22.149290 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 24010)
4500 0054 5dca 0000 4001 e11c RRRR RRRR
LLLL LLLL 0800 fcff 7f3e 0a00 ca56 ea37
d02f 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:24.620048 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35300)
4500 0054 89e4 0000 ff01 f601 LLLL LLLL
RRRR RRRR 0000 0500 7f3e 0a00 ca56 ea37
d02f 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:27.149617 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 24046)
4500 0054 5dee 0000 4001 e0f8 RRRR RRRR
LLLL LLLL 0800 79fe 7f3e 0b00 cf56 ea37
4d31 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:28.007843 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35322)
4500 0054 89fa 0000 ff01 f5eb LLLL LLLL
RRRR RRRR 0000 81fe 7f3e 0b00 cf56 ea37
4d31 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:32.151299 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 24130)
4500 0054 5e42 0000 4001 e0a4 RRRR RRRR
LLLL LLLL 0800 e8f7 7f3e 0c00 d456 ea37
d837 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:32.348022 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35398)
4500 0054 8a46 0000 ff01 f59f LLLL LLLL
RRRR RRRR 0000 f0f7 7f3e 0c00 d456 ea37
d837 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:37.150537 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 24373)
4500 0054 5f35 0000 4001 dfb1 RRRR RRRR
LLLL LLLL 0800 d9fa 7f3e 0d00 d956 ea37
e134 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:40.011272 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35441)
4500 0054 8a71 0000 ff01 f574 LLLL LLLL
RRRR RRRR 0000 e1fa 7f3e 0d00 d956 ea37
e134 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:42.150876 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 24546)
4500 0054 5fe2 0000 4001 df04 RRRR RRRR
LLLL LLLL 0800 5cf9 7f3e 0e00 de56 ea37
5836 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:46.052298 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35461)
4500 0054 8a85 0000 ff01 f560 LLLL LLLL
RRRR RRRR 0000 64f9 7f3e 0e00 de56 ea37
5836 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:47.151336 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 24702)
4500 0054 607e 0000 4001 de68 RRRR RRRR
LLLL LLLL 0800 92f7 7f3e 0f00 e356 ea37
1c38 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:52.151712 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 24835)
4500 0054 6103 0000 4001 dde3 RRRR RRRR
LLLL LLLL 0800 faf5 7f3e 1000 e856 ea37
ae39 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:53.998121 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35479)
4500 0054 8a97 0000 ff01 f54e LLLL LLLL
RRRR RRRR 0000 9af7 7f3e 0f00 e356 ea37
1c38 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:55.533366 ll.ll.ll.ll > rr.rr.rr.rr: icmp: echo reply (ttl 255, id 35488)
4500 0054 8aa0 0000 ff01 f545 LLLL LLLL
RRRR RRRR 0000 02f6 7f3e 1000 e856 ea37
ae39 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
11:35:57.152134 rr.rr.rr.rr > ll.ll.ll.ll: icmp: echo request (ttl 64, id 25095)
4500 0054 6207 0000 4001 dcdf RRRR RRRR
LLLL LLLL 0800 48f4 7f3e 1100 ed56 ea37
5a3b 0200 0809 0a0b 0c0d 0e0f 1011 1213
1415 1617 1819 1a1b 1c1d 1e1f 2021 2223
2425 2627 2829 2a2b 2c2d 2e2f 3031 3233
3435 3637
--
"Love the dolphins," she advised him. "Write by W.A.S.T.E.."

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