请问一下S7003E如何抓包 命令行形式和web界面形式都可以 |
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1.7 Packet Capture典型配置举例1.7.1 配置报文捕获举例1. 组网需求 在Switch A的Gigabitethernet1/0/1接口上开启报文捕获功能。配置捕获接口Gigabitethernet1/0/1入方向上的硬件转发与软件转发报文。 2. 组网图图1-1 Packet Capture捕获报文组网图 3. 配置步骤 # 创建IPv4高级ACL 3000,并定制如下规则:只捕获源IP为192.168.56.1的报文。 system-view [SwitchA] acl advanced 3000 [SwitchA-acl-ipv4-adv-3000] rule permit ip source 192.168.56.1 0 [SwitchA-acl-ipv4-adv-3000] quit # 定义流行为behavior1,配置流量镜向到CPU。 [SwitchA] traffic behavior behavior1 [SwitchA-behavior-behavior1] mirror-to cpu [SwitchA-behavior-behavior1] quit # 定义类classifier1,匹配ACL3000。 [SwitchA] traffic classifier classifier1 [SwitchA-classifier-classifier1] if-match acl 3000 [SwitchA-classifier-classifier1] quit # 定义一个名为user1的策略,并在策略user1中为类classifier1指定采用流行为behavior1。 [SwitchA] qos policy user1 [SwitchA-qospolicy-user1] classifier classifier1 behavior behavior1 [SwitchA-qospolicy-user1] quit #将策略user1应用到接口GigabitEthernet1/0/1的入方向上。 [SwitchA] interface gigabitethernet 1/0/1 [SwitchA-GigabitEthernet1/0/1] qos apply policy user1 inbound [SwitchA-GigabitEthernet1/0/1] quit [SwitchA] quit # 开启Gigabitethernet1/0/1接口上的报文捕获功能,捕获软硬件转发报文。 packet-capture interface gigabitethernet 1/0/1 Capturing on 'Gigabitethernet1/0/1' 1 0.000000 192.168.56.1 -> 192.168.56.2 TCP 62 6325 > telnet [SYN] Seq=0 Win =65535 Len=0 MSS=1460 SACK_PERM=1 2 0.000061 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=1 Ack =1 Win=65535 Len=0 3 0.024370 192.168.56.1 -> 192.168.56.2 TELNET 60 Telnet Data ... 4 0.024449 192.168.56.1 -> 192.168.56.2 TELNET 78 Telnet Data ... 5 0.025766 192.168.56.1 -> 192.168.56.2 TELNET 65 Telnet Data ... 6 0.035096 192.168.56.1 -> 192.168.56.2 TELNET 60 Telnet Data ... 7 0.047317 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=434 Win=65102 Len=0 8 0.050994 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=436 Win=65100 Len=0 9 0.052401 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=438 Win=65098 Len=0 10 0.057736 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=440 Win=65096 Len=0 10 packets captured 1.7.2 配置报文捕获并解析文件举例1. 组网需求· 在SwitchA的Gigabitethernet 1/0/1接口上开启报文捕获功能,配置捕获报文的个数为10个,配置将捕获的报文存入文件a.pcap。 · 配置捕获报文完成后,开启解析a.pcap报文文件。 2. 组网图图1-2 Packet Capture捕获报文并解析报文文件组网图 3. 配置步骤 # 开启Gigabitethernet1/0/1接口上的报文捕获功能,指定捕获报文个数上限为10,指定捕获的报文存入文件a.pcap。 packet-capture interface gigabitethernet 1/0/1 limit-captured-frames 10 write flash:/a.pcap Capturing on 'Gigabitethernet1/0/1' # 开启报文解析功能,指定解析的完整文件名为flash:/a.pcap。 packet-capture read flash:/a.pcap 1 0.000000 192.168.56.1 -> 192.168.56.2 TCP 62 6325 > telnet [SYN] Seq=0 Win =65535 Len=0 MSS=1460 SACK_PERM=1 2 0.000061 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=1 Ack =1 Win=65535 Len=0 3 0.024370 192.168.56.1 -> 192.168.56.2 TELNET 60 Telnet Data ... 4 0.024449 192.168.56.1 -> 192.168.56.2 TELNET 78 Telnet Data ... 5 0.025766 192.168.56.1 -> 192.168.56.2 TELNET 65 Telnet Data ... 6 0.035096 192.168.56.1 -> 192.168.56.2 TELNET 60 Telnet Data ... 7 0.047317 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=434 Win=65102 Len=0 8 0.050994 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=436 Win=65100 Len=0 9 0.052401 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=438 Win=65098 Len=0 10 0.057736 192.168.56.1 -> 192.168.56.2 TCP 60 6325 > telnet [ACK] Seq=42 Ac k=440 Win=65096 Len=0 |
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