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Showing posts with the label Wireshark

Capture Cisco CSR packets and Examine with Wireshark

As you know the Cisco’s Cloud Services Router is a virtual router either installed and configured in public Clouds like Amazon Web Services, AWS, or in your private cloud hosted locally. I needed to capture and monitor the traffic on its interfaces with Wireshark. One way I could found is to capture your desired traffic on any interface of CSR, export it to your local disk and open it with Wireshark. The following procedure can also be used to capture packets on other physical Cisco Routers running following IOS versions. Cisco IOS Release 12.4(20)T or later Cisco IOS-XE Release 15.2(4)S – 3.7.0 or later Lets start capturing traffic here on Cisco CSR. First we specify the interface to capture the packets on; csr#monitor capture GIG2 interface GigabitEthernet 2 both Here GIG2 is any name to create a file and store packets in it, both means to capture both inbound and outbound packets on interface gigabitethernet 2 You can specify ipv4 or ipv6 traffic, select protocol o...

gns3 error --- cannot start console applications

cannot start console applications: [WinError 2] The system cannot find the file specified. I got this error, upon checking I found that I had not installed wireshark during installing gns3. Installed wireshark separately and the error is gone. I did no configuration except installing wireshark.  I can see and capture traffic on gns3 device's interfaces by just right clicking any interface and then clicking "start wireshark".