Gentoo Archives: gentoo-user-de

From: "André Glücksmann" <email@×××××.de>
To: gentoo-user-de@l.g.o
Subject: Re: [gentoo-user-de] MTU-Probleme
Date: Wed, 25 Jul 2007 12:44:46
Message-Id: 46A74544.10603@smixx.de
In Reply to: Re: [gentoo-user-de] MTU-Probleme by Michael Kirchner
1 -----BEGIN PGP SIGNED MESSAGE-----
2 Hash: RIPEMD160
3
4 Michael Kirchner wrote:
5 >
6 > Hallo Andre,
7 >
8 > vielleicht kannst Du uns noch mit ein paar
9 > Informationen versorgen:
10 >
11 > ifconfig und ethtool
12 >
13 > Auszug von tcpdump
14 >
15 > Du kannst die Ausfuehlichkeit der Informationen mit
16 > tcpdump -vvv
17 >
18 > erhöhen.
19 >
20 >
21 > Gruss Michael
22
23 Hallo Michael,
24
25 schön, dass sich jemand meines Problems annimmt.
26
27 Hier die Ausgaben, die gewünscht waren:
28
29 # ifconfig
30 eth0 Link encap:Ethernet HWaddr 00:13:77:04:41:62
31 inet addr:192.168.0.2 Bcast:255.255.255.255 Mask:255.255.255.0
32 UP BROADCAST RUNNING MULTICAST MTU:576 Metric:1
33 RX packets:56 errors:0 dropped:0 overruns:0 frame:0
34 TX packets:61 errors:0 dropped:0 overruns:0 carrier:0
35 collisions:0 txqueuelen:1000
36 RX bytes:12598 (12.3 Kb) TX bytes:9951 (9.7 Kb)
37 Interrupt:21
38
39
40 # ethtool eth0
41 Settings for eth0:
42 Supported ports: [ MII ]
43 Supported link modes: 10baseT/Half 10baseT/Full
44 100baseT/Half 100baseT/Full
45 Supports auto-negotiation: Yes
46 Advertised link modes: 10baseT/Half 10baseT/Full
47 100baseT/Half 100baseT/Full
48 Advertised auto-negotiation: Yes
49 Speed: 100Mb/s
50 Duplex: Full
51 Port: Twisted Pair
52 PHYAD: 1
53 Transceiver: internal
54 Auto-negotiation: on
55 Supports Wake-on: g
56 Wake-on: d
57 Current message level: 0x000000ff (255)
58 Link detected: yes
59
60 # ifconfig eth0 mtu 1500 && tcpdump -vvv
61 14:04:38.994768 IP (tos 0x10, ttl 64, id 0, offset 0, flags [none],
62 proto: UDP (17),
63 length: 328) 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP,
64 Request [|bootp]
65 14:04:38.998179 arp who-has 192.168.0.2 tell 192.168.0.1
66 14:04:39.589043 IP (tos 0x0, ttl 32, id 13553, offset 0, flags [DF],
67 proto: UDP (17),
68 length: 576) 192.168.0.1.bootps > 192.168.0.2.bootpc: BOOTP/DHCP,
69 Reply, length 548,
70 xid 0x4050980a, Flags [ none ] (0x0000)
71 Your-IP 192.168.0.2 [|bootp]
72 14:04:39.589201 IP (tos 0x10, ttl 64, id 0, offset 0, flags [none],
73 proto: UDP (17),
74 length: 335) 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP,
75 Request [|bootp]
76 14:04:39.591683 IP (tos 0x0, ttl 32, id 13821, offset 0, flags [DF],
77 proto: UDP (17),
78 length: 576) 192.168.0.1.bootps > 192.168.0.2.bootpc: BOOTP/DHCP,
79 Reply, length 548,
80 xid 0x4050980a, Flags [ none ] (0x0000)
81 Your-IP 192.168.0.2 [|bootp]
82 14:04:44.010743 IP (tos 0x10, ttl 64, id 0, offset 0, flags [none],
83 proto: UDP (17),
84 length: 328) 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP,
85 Request [|bootp]
86 14:04:44.598578 IP (tos 0x0, ttl 32, id 22920, offset 0, flags [DF],
87 proto: UDP (17),
88 length: 576) 192.168.0.1.bootps > 192.168.0.2.bootpc: BOOTP/DHCP,
89 Reply, length 548,
90 xid 0xfc92b730, Flags [ none ] (0x0000)
91 Your-IP 192.168.0.2 [|bootp]
92 14:04:44.598762 IP (tos 0x10, ttl 64, id 0, offset 0, flags [none],
93 proto: UDP (17),
94 length: 335) 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP,
95 Request [|bootp]
96 14:04:44.601330 IP (tos 0x0, ttl 32, id 23188, offset 0, flags [DF],
97 proto: UDP (17),
98 length: 576) 192.168.0.1.bootps > 192.168.0.2.bootpc: BOOTP/DHCP,
99 Reply, length 548,
100 xid 0xfc92b730, Flags [ none ] (0x0000)
101 Your-IP 192.168.0.2 [|bootp]
102 14:04:48.995557 arp who-has 192.168.0.1 tell 192.168.0.2
103 14:04:48.996314 arp reply 192.168.0.1 is-at 00:14:6c:1d:f3:42 (oui Unknown)
104 14:04:48.996323 IP (tos 0x0, ttl 64, id 31609, offset 0, flags [DF],
105 proto: UDP (17),
106 length: 66) 192.168.0.2.32768 > 192.168.0.1.domain: 14735+[|domain]
107 14:04:48.998845 IP (tos 0x0, ttl 127, id 76, offset 0, flags [none],
108 proto: UDP (17),
109 length: 82) 192.168.0.1.domain > 192.168.0.2.32768: [no cksum] 14735
110 q:[|domain]
111 14:04:48.999136 IP (tos 0x0, ttl 64, id 31613, offset 0, flags [DF],
112 proto: UDP (17),
113 length: 70) 192.168.0.2.32768 > 192.168.0.1.domain: 12286+[|domain]
114 14:04:49.001321 IP (tos 0x0, ttl 127, id 77, offset 0, flags [none],
115 proto: UDP (17),
116 length: 86) 192.168.0.1.domain > 192.168.0.2.32768: [no cksum] 12286
117 q:[|domain]
118 14:04:49.001470 IP (tos 0x0, ttl 64, id 31616, offset 0, flags [DF],
119 proto: UDP (17),
120 length: 70) 192.168.0.2.32768 > 192.168.0.1.domain: 35729+[|domain]
121 14:04:49.003561 IP (tos 0x0, ttl 127, id 78, offset 0, flags [none],
122 proto: UDP (17),
123 length: 86) 192.168.0.1.domain > 192.168.0.2.32768: [no cksum] 35729
124 q:[|domain]
125
126 Gruß
127 André
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132 iD8DBQFGp0VCeWPEmRSJ/30RA1y9AJ9DjW0sujhCYBqhufNU06RJQc+CnQCeN+OK
133 wuJHQU9vAUrwb4eT7Ogh6tE=
134 =/K+C
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Replies

Subject Author
Re: [gentoo-user-de] MTU-Probleme "André Glücksmann" <email@×××××.de>
Re: [gentoo-user-de] MTU-Probleme Markus Schomisch <markus@××××××××××.de>