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Adding Interfaces to an Interface Group

Nov 24,2008 by admin

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Adding Interfaces to an Interface Group

To group monitoring interfaces into one logical virtual sensor, you will use an interface group. At this time, only interface Group 0 is supported. More than one monitoring interface can be assigned to the interface group. The monitoring interfaces must be added to Group 0 and be enabled for the sensor to monitor the sniffing interfaces.

You will not be able to assign the command and control interface to the interface group.

To add or remove interfaces from Group 0 is very straightforward. In Figure 5.16, we outline the addition and removal of an interface to Group 0.

sensor# config t
sensor(config)# interface group 0
sensor(config-ifg)# no sensing-interface int0
sensor(config-ifg)# exit
//   This removes int0 from the Group 0.
sensor(config-ifg)# sensing-interface int0
sensor(config-ifg)# exit
//   This adds int0 back into Group 0.

Figure 5.16: Adding and Removing Interfaces from Group 0

The IDS-4250-XL, interface 0 (int0) is used for sending TCP resets and cannot be a sensing interface.

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