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Summary of Contents for Digital Data Communications Level One GTL-2091
- Page 1 OAM Configuration (GTL-2091) V1.0 Digital Data Communications GmbH, Germany. http://www.level1.com...
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Page 2: Table Of Contents
Table of Contents Table of Contents OAM Configuration ........................錯誤 ! 尚未定義書籤。 Table of Contents .................................. 1 Chapter 1 OAM Configuration ............................... 1 1.1 OAM Overview ............................... 1 1.1.1 OAM Protocol’s Attributes .......................... 1 1.1.2 OAM Mode ..............................2 1.1.3 Components of the OAM Packet ....................... 3 1.2 OAM Configuration Task List .......................... -
Page 3: Oam Configuration
OAM Configuration Chapter 1 OAM Configuration 1.1 OAM Overview EFM OAM of IEEE 802.3ah provides point-to-point link trouble/performance detection on the single link. However, EFM OAM cannot be applied to EVC and so terminal-to-terminal Ethernet monitoring cannot be realized. OAM PDU cannot be forwarded to other interfaces. -
Page 4: Oam Mode
OAM Configuration Remote trouble indication It is difficult to check troubles in the Ethernet, especially the case that the network performance slows down while physical network communication continues. OAM PDU defines a flag domain to allow Ethernet OAM entity to transmit the trouble information to the peer. -
Page 5: Components Of The Oam Packet
OAM Configuration Capacity Active Mode Passive Mode Initializing the Ethernet OAM discovery process Responding to the OAM discovery initialization process Transmitting the Information OAM PDU packet Permitting to transmit the Event Notification OAM PDU packet Allowing to transmit the Variable Request OAM PDU packet Allowing to transmit Variable Response OAM PDU packet... -
Page 6: Oam Configuration Task List
OAM Configuration Destination address: means the destination MAC address of the Ethernet OAM packet. Source address: Source MAC address of the Ethernet OAM packet It is the MAC address of the transmitter terminal's port and also a unicast MAC address. Length/Type: Always adopts the Type encoding. -
Page 7: Oam Configuration Tasks
OAM Configuration Enabling remote OAM loopback Configuring OAM link monitoring Configuring the trouble notification from remote OAM entity Displaying the information about OAM protocol 1.3 OAM Configuration Tasks 1.3.1 Enabling OAM on an Interface Run the following command to enable OAM: Proced Command Purpose... -
Page 8: Configuring Oam Link Monitoring
OAM Configuration Step1 config Enters the global configuration mode. Step2 interface intf-type intf-id Enters the interface configuration mode. Step3 ethernet remote-loopback Configures optional loopback parameters from the {supported | timeout seconds} remote OAM: The supported parameter is used to enable an interface to support the remote loopback of Ethernet OAM. - Page 9 OAM Configuration The window size ranges between 10 and 600 on a 1000M Ethernet interface and its default value is 10 in this case, while the window size ranges between 1 and 60 on a 100M Ethernet interface and its default value is 1 in this case.
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Page 10: Configuring The Trouble Notification From Remote Oam Entity
OAM Configuration window size of the round-query period. Its unit is second. It ranges between 10 and 900 and its default value is 60. Step8 ethernet link-monitor Sets the high and low thresholds of the error CRC receive-crc {threshold {high frame event, which triggers the link events of CRC symbols |none}... -
Page 11: Displaying The Information About Oam Protocol
OAM Configuration connects the local interface is shut down by the administrator. The link-fault parameter is used to enable an interface to enter the errdisabled state when the receiver detects signal loss. The switch cannot generate the LINK FAULT packets and the Critical Event packets. -
Page 12: Network Topology
OAM Configuration 1.4.2 Network Topology G0/1 G0/1 3524 A 3524 B Figure 2 Network topology 1.4.3 Configuration Procedure Configuring GTL-2091 switch A: Console_config_g0/1#ethernet oam Console_config_g0/1#ethernet oam mode passive Console_config_g0/1#ethernet oam link-monitor frame threshold low 10 Console_config_g0/1#ethernet oam link-monitor frame window 30 Console_config_g0/1#show ethernet oam configuration int g0/1 GigaEthernet0/1 General... - Page 13 OAM Configuration Errored Frame Event Window : 30 seconds Low threshold : 10 error frame(s) High threshold : none Errored Frame Period Event Window : 100 * 14881 frames Low threshold : 1 error frame(s) High threshold : none Errored Frame Seconds Summary Event Window : 60 seconds Low threshold...
- Page 14 OAM Configuration No errored frame seconds summary event happened yet. Errored CRC Frames Event: No errored CRC frame event happened yet. Remote Link Events: ------------------- Errored Symbol Period Event: No errored symbol period event happened yet. Errored Frame Event: No errored frame event happened yet. Errored Frame Period Event: No errored frame period event happened yet.
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