Example for Configuring Packet Capture
Networking Requirements
In Figure 1, a switch connects to the Internet through GE0/0/1.
The user wants to capture the packets received by GE0/0/1 and the packets to be sent to the CPU, and display the captured packets on an operation terminal.
Configuration Roadmap
The configuration
roadmap is as follows:
- Capture the service packets received by GE0/0/1, and display captured packets on an operation terminal.
- Capture the packets sent to the CPU and display captured packets on an operation terminal.
Procedure
- Capture the service packets received by GE0/0/1, and display captured packets
on an operation terminal.
<HUAWEI> system-view [HUAWEI] sysname Switch [Switch] capture-packet interface gigabitethernet 0/0/1 destination terminal packet-num 3 packet-len 64 [Switch] Packet: 1 ------------------------------------------------------- 01 00 5e 00 00 fc 00 1b 21 c4 82 0f 81 00 0f ff 08 00 45 00 00 32 65 cb 00 00 01 11 80 48 c0 a8 32 03 e0 00 00 fc ce 94 14 eb 00 1e 4b 3f 24 6f 00 00 00 01 00 00 00 00 00 00 04 77 70 61 64 00 00 01 00 01 ------------------------------------------------------- Packet: 2 ------------------------------------------------------- 33 33 00 01 00 03 00 1b 21 c4 82 0f 81 00 0f ff 86 dd 60 00 00 00 00 1e 11 01 fe 80 00 00 00 00 00 00 d5 b2 02 74 37 0b 4c 6e ff 02 00 00 00 00 00 00 00 00 00 00 00 01 00 03 e3 11 14 eb 00 1e d2 74 03 3d 00 00 00 01 00 00 00 00 00 00 04 77 70 61 64 00 00 01 00 01 ------------------------------------------------------- Packet: 3 ------------------------------------------------------- 01 00 5e 00 00 fc 00 1b 21 c4 82 0f 81 00 0f ff 08 00 45 00 00 32 62 2e 00 00 01 11 83 e5 c0 a8 32 03 e0 00 00 fc d4 df 14 eb 00 1e dc 49 8d 19 00 00 00 01 00 00 00 00 00 00 04 77 70 61 64 00 00 01 00 01 ------------------------------------------------------- ------------------packet getting report----------------------- file: NULL packets getting: interface GigabitEthernet0/0/1 acl: - vlan: - cvlan: - car: 64kbps timeout: 60s packets: 3 (expected) 3 (actual) length: 64 (expected) -------------------------------------------------------
- Capture the packets sent to the CPU and display captured
packets on an operation terminal.
[Switch] capture-packet cpu destination terminal packet-num 3 packet-len 64 [Switch] Packet: 1 ------------------------------------------------------- 01 80 c2 00 00 0e 02 00 00 00 00 00 81 00 00 0c 88 cc 02 07 04 02 00 00 00 00 00 04 16 05 47 69 67 61 62 69 74 45 74 68 65 72 6e 65 74 30 2f 30 2f 31 30 06 02 00 78 08 15 47 69 67 61 62 69 74 45 74 68 65 72 6e 65 74 30 2f 30 2f 31 30 0a 09 31 30 38 2d 53 31 37 32 30 0c a1 53 31 37 32 30 2d 32 30 47 46 52 2d 34 54 50 2d 41 43 0d 0a 48 75 61 77 65 69 20 56 65 72 73 61 74 69 6c 65 20 ------------------------------------------------------- Packet: 2 ------------------------------------------------------- 01 80 c2 00 00 0e 02 35 20 36 ad cc 81 00 0f ff 88 cc 02 07 04 02 35 20 36 ad cc 04 0f 05 45 74 68 65 72 6e 65 74 30 2f 30 2f 31 30 06 02 00 78 08 0e 45 74 68 65 72 6e 65 74 30 2f 30 2f 31 30 0a 0b 31 30 37 2d 53 32 33 35 30 45 49 0c a3 53 32 33 35 30 2d 32 30 54 50 2d 50 57 52 2d 45 49 2d 41 43 0d 0a 48 75 61 77 65 69 20 56 65 72 73 61 74 69 6c 65 20 52 6f 75 74 69 6e 67 20 50 6c ------------------------------------------------------- Packet: 3 ------------------------------------------------------- 01 80 c2 00 00 0a 00 e0 fc 09 bc f9 81 00 00 01 88 a7 00 03 00 00 01 b4 fb 8e 00 01 00 0e 00 00 00 00 02 00 00 00 00 00 00 07 00 19 31 30 39 2d 53 31 37 32 30 20 56 32 30 30 52 30 30 36 43 31 30 00 0f 00 15 53 31 37 32 30 20 56 32 30 30 52 30 30 36 43 31 30 00 12 00 1d 56 65 72 73 69 6f 6e 20 35 2e 31 36 30 20 56 32 30 30 52 30 30 36 43 31 30 00 11 00 1d 56 65 72 73 69 6f 6e 20 35 ------------------------------------------------------- ------------------packet getting report----------------------- file: NULL packets getting: cpu acl: - vlan: - cvlan: - car: -- timeout: 60s packets: 3 (expected) 3 (actual) length: 64 (expected) -------------------------------------------------------