Configuring Eaps Shared Ports - Extreme Networks ExtremeWare XOS Guide Manual

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Ethernet Automatic Protection Switching
Table 42: show eaps display fields (Continued)
Field
Tag status
Hello Timer interval
Fail Timer interval
1
Failtimer expiry action
Preforwarding Timer interval
Last update
EAPS Domain has ... Controller Vlans
EAPS Domain has ... Protected Vlans
Number of Protected Vlans
1. This field applies only to master nodes; it does not display for a transit mode.
2. These fields apply only to transit nodes; they are not displayed for a master node.

Configuring EAPS Shared Ports

NOTE
You must have a core or advanced core license to use the EAPS shared port feature.
The physical link between two nodes in a multiple EAPS domain state is the common link. Each node is
configured with a shared port to another node in an EAPS domain to create the common link. To
prevent a superloop from occurring if the common link between the multiple EAPS domains fails, the
switches on either end of the common link must be configured as controller and a partner.
Each common link in the EAPS network must have a unique link ID. The controller and partner shared
ports belonging to the same common link must have matching link IDs. No other instance in the
network should have that link ID.
During normal operation, both the controller and the partner send segment health check messages on
their EAPS domain every second.
ExtremeWare XOS 11.1 Concepts Guide
Description
Tagged status of the control VLAN:
• Tagged—The control VLAN has this port assigned to it, and the
port is tagged in the VLAN.
• Untagged—The control VLAN has this port assigned to it, but the
port is untagged in the control VLAN.
• Undetermined—Either a VLAN has not been added as the control
VLAN to this EAPS domain or this port has not been added to the
control VLAN.
The configured value of the timer in seconds, specifying the time that
the master node waits between transmissions of health check packets.
The configured value of the timer in seconds, specifying the time that
the master node waits before the failtimer expires.
Displays the action taken when the failtimer expires:
• Send-alert—Sends a critical message to the syslog when the
failtimer expires.
• Open-secondary-port—Opens the secondary port when the failtimer
expires.
2
The configured value of the timer. This value is set internally by the
EAPS software.
Indicates the last time the transit node received a hello packet from
the master node (identified by its MAC address).
Lists the assigned name and ID of the control VLAN.
Lists the assigned names and VLAN IDs of all the protected VLANs
configured on this EAPS domain.
The count of protected VLANs configured on this EAPS domain.
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