How can I see traffic on my Cisco router?

How can I see traffic on my Cisco router?

How to Display Current TCP Traffic on a Cisco Router

1. Log in to the Cisco router with administrative credentials.
2. Type the following command at the router’s command prompt: show control-plane host open-ports.
3. Press the “Enter” key.
4. View the data in the fourth column labeled “Services.” Each open TCP connection is listed.

Can I monitor traffic on my router?

Traffic metering allows you to monitor the volume of Internet traffic that passes through the router Internet port. You can set limits for traffic volume. To monitor Internet traffic: Launch a web browser from a computer or wireless device that is connected to your router’s network.

How do I track activity on my router?

To view the activity logs:

1. Launch a web browser from a computer or mobile device that is connected to your router’s network.
2. Click Enter or tap Search.
3. Enter the router user name and password.
4. Select ADVANCED > Administration > Logs.
5. To refresh the log page, click the Refresh button.

Is it possible to monitor a specific traffic type going through a Cisco router?

Is it possible to monitor a specific traffic type going through a cisco router? (like monitoring via wireshark) Ex: I want to monitor http traffic specifically that is passing through a router. (or DNS, FTP.) on the router, Cisco IOS 12.4 (20)T and later, there is a packet capture feature, with filtering on interface name and direction and ACL.

How does monitor mode work on a Cisco router?

Monitor mode works by examining the router log and by viewing the results of Cisco IOS show commands. For Monitor mode functions that are based on log entries, such as firewall statistics, logging must be enabled.

How can I see traffic going through the router?

Basically, R1 is the default gateway of the LAN. If it receives http traffic it will forward to R3. If it´s anything else it will forward to R2, which is its default route. So, can I use some debug command on R2 and R3 to see the traffic in real time and check if packets are really going through the intended route?

Do you need to enable logging to monitor a router?

For Monitor mode functions that are based on log entries, such as firewall statistics, logging must be enabled. Logging is enabled by default by Cisco SDM, but you can change that setting using the Additional Tasks > Router Properties > Logging window.