Brocade Communications Systems IP250 user manual Sending a linktrace message, Click Loopback

28 802.1ag Connectivity Fault Management

3.Click Loopback.

The 802.1ag CFM Loopback dialog box displays the product that contains the selected MEP, the domain, the maintenance association, and the port number of the selected MEP.

4.Select the MEP for which you want to send a loopback message to a specific maintenance end point (MEP) or maintenance intermediate point (MIP) in the domain in the Maintenance End Points (MEP) table.

5.Click Loopback.

The 802.1ag CFM Loopback dialog box displays.

6.Select one of the following destination options:

•MEP ID — Select this option to send the loopback message to a MEP and enter the MEP ID in the field. THe MEP ID value can be 1 through 8191.

•MIP — Select this option to send the loopback message to a MIP and enter the MAC address for the MIP.

7.Enter a timeout value in seconds (from 1 through 30) in the Timeout field.

8.Enter the number of loopback messages to send in the Loopback Message Count field. The loopback message count value can be from 1 through 1024.

9.Click Execute.

The status of the loopback message displays one of the following status types:

•Success (Messages_Sent/Messages_Received)

•Failed

10.Click Close on the 802.1ag CFM Loopback dialog box.

11.Click Close on the Configure 802.1ag CFM dialog box.

Sending a linktrace message

You can access 802.1ag CFM from the following features:

•VPLS Manager (requires the IP - MPLS – VLL prvilege with read-write or read-only permission)

•VLL Manager (requires the IP - MPLS – VPLS prvilege with read-write or read-only permission)

•VLAN Manager (requires the VLAN Manager prvilege with read-write or read-only permission)

NOTE

802.1ag CFM is only supported on IronWare Ethernet Routers devices running firmware release 5.2 or later.

NOTE

You cannot configure an 802.1ag CFM on a maintenance end point (MEP) configured with dual tagged VLANs.

Use linktrace messages to identify fault locations by sending a query to maintenance end points (MEP) or maintenance intermediate points (MIP) along the service path of the domain.

To send a link trace message to a specific MEP or MIP in the domain, complete the following steps.

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