lug-bg: RE: lug-bg: eth-
- Subject: lug-bg: RE: lug-bg: eth-
- From: bkrosnov@email.domain.hidden (Boyan Krosnov)
- Date: Mon, 31 Mar 2003 10:05:18 +0300
qvno
prashtash paketa da izleze prez eth1 s next hop ip address 192.168.0.1.
ip steka se opitva da razbere na koj mac adres da go prati v direktno svyrzaniq ti lan
t.k. 192.168.0.1 go nqma v arp tablicata za eth1, kernela prashta arp requesti prez eth1
qvno ne poluchava otgovori na arp-tata
syotvetno ne se poqvqva arp entry v tablichkata mu za eth1
syotvetno ne moje da paketira ip paketa v ethernet frame adresiran do nexthop adresa, kojto v toq sluchaj syvpada s destination-a na paketa.
syotvetno prashta na sebe si icmp host unreachable messages.
mnogo dylgo izrechenie stana, a :)
vsichko tova mojeshe da go razberesh s edin syvsem obiknoven tcpdump -i eth1 -n, stiga da ne se strahuvashe da gledash packet dumpove :)
BR,
Boyan
<em class="quotelev1">> -----Original Message-----
<em class="quotelev1">> From: knight of darkness [mailto:dreadknight_at_mail.bg]
<em class="quotelev1">> Sent: Monday, March 31, 2003 9:45 AM
<em class="quotelev1">> To: lug-bg_at_linux-bulgaria.org
<em class="quotelev1">> Subject: lug-bg: eth-ÔÁ É ÞÕÄÅÓÉÉ
<em class="quotelev1">>
<em class="quotelev1">>
<em class="quotelev1">> ÚÄÒÁ×ÅÊÔÅ,
<em class="quotelev1">> ÉÚ×ÉÎÅÔÅ ÞÅ ÐÁË ×É ÄÏÓÁÖÄÁÍ....ÏÂÁÞÅ ÎÑËÏÊ ÍÏÖÅ ÌÉ ÄÁ ÍÉ
<em class="quotelev1">> ÐÏÍÏÇÎÅ ÄÁ ÓÉ ÏÂÑÓÎÑ ÔÏ×Á?:
<em class="quotelev1">> # traceroute 192.168.0.3
<em class="quotelev1">> traceroute to 192.168.0.3 (192.168.0.3), 30 hops max, 38 byte packets
<em class="quotelev1">> 1 192.168.0.1 (192.168.0.1) 2993.296 ms !H 2999.212 ms !H
<em class="quotelev1">> 2996.280 ms !H
<em class="quotelev1">> #
<em class="quotelev1">>
<em class="quotelev1">> # ping 192.168.0.3
<em class="quotelev1">> PING 192.168.0.3 (192.168.0.3): 56 octets data
<em class="quotelev1">>
<em class="quotelev1">> --- 192.168.0.3 ping statistics ---
<em class="quotelev1">> 4 packets transmitted, 0 packets received, 100% packet loss
<em class="quotelev1">> #
<em class="quotelev1">>
<em class="quotelev1">> # route -n
<em class="quotelev1">> Kernel IP routing table
<em class="quotelev1">> Destination Gateway Genmask Flags Metric
<em class="quotelev1">> Ref Use Iface
<em class="quotelev1">> 62.176.85.188 0.0.0.0 255.255.255.252 U 0
<em class="quotelev1">> 0 0 eth0
<em class="quotelev1">> 192.168.0.0 0.0.0.0 255.255.255.0 U 0
<em class="quotelev1">> 0 0 eth1
<em class="quotelev1">> 127.0.0.0 0.0.0.0 255.0.0.0 U 0
<em class="quotelev1">> 0 0 lo
<em class="quotelev1">> 0.0.0.0 62.176.85.189 0.0.0.0 UG 1
<em class="quotelev1">> 0 0 eth0
<em class="quotelev1">> #
<em class="quotelev1">>
<em class="quotelev1">> # ifconfig
<em class="quotelev1">> eth0 Link encap:Ethernet HWaddr 00:DD:10:00:64:FF
<em class="quotelev1">> inet addr:62.176.85.190 Bcast:62.176.85.191
<em class="quotelev1">> Mask:255.255.255.252
<em class="quotelev1">> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
<em class="quotelev1">> RX packets:5316 errors:0 dropped:0 overruns:0 frame:0
<em class="quotelev1">> TX packets:5412 errors:0 dropped:0 overruns:0 carrier:0
<em class="quotelev1">> collisions:0 txqueuelen:100
<em class="quotelev1">> RX bytes:387175 (378.1 Kb) TX bytes:1281622 (1.2 Mb)
<em class="quotelev1">> Interrupt:9 Base address:0x1c00
<em class="quotelev1">>
<em class="quotelev1">> eth1 Link encap:Ethernet HWaddr 00:DD:10:00:64:0C
<em class="quotelev1">> inet addr:192.168.0.1 Bcast:192.168.0.255
<em class="quotelev1">> Mask:255.255.255.0
<em class="quotelev1">> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
<em class="quotelev1">> RX packets:1506 errors:0 dropped:0 overruns:0 frame:0
<em class="quotelev1">> TX packets:115 errors:0 dropped:0 overruns:0 carrier:0
<em class="quotelev1">> collisions:27 txqueuelen:100
<em class="quotelev1">> RX bytes:150427 (146.9 Kb) TX bytes:7014 (6.8 Kb)
<em class="quotelev1">> Interrupt:11 Base address:0x3800
<em class="quotelev1">>
<em class="quotelev1">> lo Link encap:Local Loopback
<em class="quotelev1">> inet addr:127.0.0.1 Mask:255.0.0.0
<em class="quotelev1">> UP LOOPBACK RUNNING MTU:16436 Metric:1
<em class="quotelev1">> RX packets:151 errors:0 dropped:0 overruns:0 frame:0
<em class="quotelev1">> TX packets:151 errors:0 dropped:0 overruns:0 carrier:0
<em class="quotelev1">> collisions:0 txqueuelen:0
<em class="quotelev1">> RX bytes:13560 (13.2 Kb) TX bytes:13560 (13.2 Kb)
<em class="quotelev1">> #
<em class="quotelev1">>
<em class="quotelev1">> # !echo
<em class="quotelev1">> echo 1 > /proc/sys/net/ipv4/ip_forward
<em class="quotelev1">> #
<em class="quotelev1">>
<em class="quotelev1">> ÐÏÚÄÒÁ×É
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