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mhrooz
2024-10-30 10:12:21 +01:00
parent 8ee261064b
commit c3ff61a558
1 changed files with 49 additions and 0 deletions
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Blatt01/blatt01.md
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@@ -59,6 +59,55 @@ sender # sender eth # receiver # receiver eth # losses #
```
## Tcpdump output
with -e
```
listening on eth1, link-type EN10MB (Ethernet), snapshot length 262144 bytes
10:51:44.767031 00:16:3e:00:00:08 (oui Unknown) > 00:16:3e:00:00:02 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 18, length 64
10:51:44.767055 00:16:3e:00:00:02 (oui Unknown) > 00:16:3e:00:00:08 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 18, length 64
10:51:45.767125 00:16:3e:00:00:08 (oui Unknown) > 00:16:3e:00:00:02 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 19, length 64
10:51:45.767160 00:16:3e:00:00:02 (oui Unknown) > 00:16:3e:00:00:08 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 19, length 64 10:51:46.767229 00:16:3e:00:00:08 (oui Unknown) > 00:16:3e:00:00:02 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 20, length 64
10:51:46.767253 00:16:3e:00:00:02 (oui Unknown) > 00:16:3e:00:00:08 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 20, length 64
10:51:47.767360 00:16:3e:00:00:08 (oui Unknown) > 00:16:3e:00:00:02 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 21, length 64
10:51:47.767384 00:16:3e:00:00:02 (oui Unknown) > 00:16:3e:00:00:08 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 21, length 64
10:51:48.767451 00:16:3e:00:00:08 (oui Unknown) > 00:16:3e:00:00:02 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 22, length 64
10:51:48.767475 00:16:3e:00:00:02 (oui Unknown) > 00:16:3e:00:00:08 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 22, length 64
10:51:49.767591 00:16:3e:00:00:08 (oui Unknown) > 00:16:3e:00:00:02 (oui Unknown), ethertype IPv4 (0x0800
), length 98: 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 23, length 64
```
without -e
```
listening on eth1, link-type EN10MB (Ethernet), snapshot length 262144 bytes
10:52:40.775534 IP 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 74, length 64
10:52:40.775559 IP 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 74, length 64
10:52:41.775635 IP 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 75, length 64
10:52:41.775660 IP 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 75, length 64
10:52:41.850588 ARP, Request who-has 10.5.1.2 tell 10.5.1.1, length 28
10:52:41.850603 ARP, Reply 10.5.1.2 is-at 00:16:3e:00:00:02 (oui Unknown), length 28
10:52:42.775751 IP 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 76, length 64
10:52:42.775774 IP 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 76, length 64
10:52:43.775955 IP 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 77, length 64
10:52:43.775984 IP 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 77, length 64
10:52:44.776094 IP 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 78, length 64
10:52:44.776119 IP 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 78, length 64
10:52:45.776221 IP 10.5.1.1 > 10.5.1.2: ICMP echo request, id 4813, seq 79, length 64
10:52:45.776246 IP 10.5.1.2 > 10.5.1.1: ICMP echo reply, id 4813, seq 79, length
```
### 主要工具：`ip`