Supported Platforms
Related Documentation
- ACX, EX, M, MX, T Series
- Configuring IEEE 802.3ah OAM Link-Fault Management
- Enabling IEEE 802.3ah OAM Support
- Configuring Link Discovery
- Configuring the OAM PDU Interval
- Configuring the OAM PDU Threshold
- Configuring Threshold Values for Local Fault Events on an Interface
- Disabling the Sending of Link Event TLVs
- Detecting Remote Faults
- Configuring an OAM Action Profile
- Specifying the Actions to Be Taken for Link-Fault Management Events
- Monitoring the Loss of Link Adjacency
- Monitoring Protocol Status
- Configuring Threshold Values for Fault Events in an Action Profile
- Applying an Action Profile
- Setting a Remote Interface into Loopback Mode
- Example: Configuring IEEE 802.3ah OAM Support on an Interface
- ACX, EX, MX, T Series
- Enabling Remote Loopback Support on the Local Interface
- Additional Information
- Junos® OS Ethernet Interfaces
IEEE 802.3ah OAM Link-Fault Management Overview
Ethernet interfaces capable of running at 100 Mbps or faster on EX Series switches, MX Series, M Series (except M5 and M10 routers), and T Series routers support the IEEE 802.3ah standard for Operation, Administration, and Management (OAM). You can configure IEEE 802.3ah OAM on Ethernet point-to-point direct links or links across Ethernet repeaters. The IEEE 802.3ah standard meets the requirement for OAM capabilities as Ethernet moves from being solely an enterprise technology to being a WAN and access technology, as well as being backward-compatible with existing Ethernet technology. Junos OS supports IEEE 802.3ah link-fault management.
The features of link-fault management are:
- Discovery
- Link monitoring
- Remote fault detection
- Remote loopback
The following features are not supported:
- Ethernet running on top of a Layer 2 protocol, such as Ethernet over ATM, is not supported in OAM configurations.
- Remote loopback is not supported on the 10-Gigabit Ethernet LAN/WAN PIC with SFP+.
- The remote loopback feature mentioned in section 57.2.11 of IEEE 802.3ah is not supported on T4000 routers.
 | Note: Aggregated Ethernet member links will now use the physical MAC address as the source MAC address in 802.3ah OAM packets. |
Related Documentation
- ACX, EX, M, MX, T Series
- Configuring IEEE 802.3ah OAM Link-Fault Management
- Enabling IEEE 802.3ah OAM Support
- Configuring Link Discovery
- Configuring the OAM PDU Interval
- Configuring the OAM PDU Threshold
- Configuring Threshold Values for Local Fault Events on an Interface
- Disabling the Sending of Link Event TLVs
- Detecting Remote Faults
- Configuring an OAM Action Profile
- Specifying the Actions to Be Taken for Link-Fault Management Events
- Monitoring the Loss of Link Adjacency
- Monitoring Protocol Status
- Configuring Threshold Values for Fault Events in an Action Profile
- Applying an Action Profile
- Setting a Remote Interface into Loopback Mode
- Example: Configuring IEEE 802.3ah OAM Support on an Interface
- ACX, EX, MX, T Series
- Enabling Remote Loopback Support on the Local Interface
- Additional Information
- Junos® OS Ethernet Interfaces
Published: 2013-04-03
Supported Platforms
Related Documentation
- ACX, EX, M, MX, T Series
- Configuring IEEE 802.3ah OAM Link-Fault Management
- Enabling IEEE 802.3ah OAM Support
- Configuring Link Discovery
- Configuring the OAM PDU Interval
- Configuring the OAM PDU Threshold
- Configuring Threshold Values for Local Fault Events on an Interface
- Disabling the Sending of Link Event TLVs
- Detecting Remote Faults
- Configuring an OAM Action Profile
- Specifying the Actions to Be Taken for Link-Fault Management Events
- Monitoring the Loss of Link Adjacency
- Monitoring Protocol Status
- Configuring Threshold Values for Fault Events in an Action Profile
- Applying an Action Profile
- Setting a Remote Interface into Loopback Mode
- Example: Configuring IEEE 802.3ah OAM Support on an Interface
- ACX, EX, MX, T Series
- Enabling Remote Loopback Support on the Local Interface
- Additional Information
- Junos® OS Ethernet Interfaces
