17
Step Command
Remarks
The minimum LSP transmit interval and the
maximum number of LSPs sent at each interval
can affect the actual LSP refresh interval.
To avoid unnecessary age-outs, appropriately
set the LSP refresh interval and the LSP
lifetime.
Associating an EVI tunnel interface with a track entry
EVI IS-IS uses a hello mechanism to monitor the connectivity of each EVI link on an EVI tunnel. To
detect the connectivity of a particular EVI link more quickly, you can associate its tunnel interface
with a track entry. The monitoring protocol used in this entry can only be BFD.
EVI IS-IS changes the state of an EVI-Link interface in response to the track entry state, as shown
in
.
Table 1 Action on the monitored EVI-Link in response to the track entry state change
Track entry state
State of the monitored EVI link
Action on the EVI-Link
interface
Positive
The EVI link is operating correctly.
Places the EVI-Link interface in up
state.
Negative
The EVI link has failed.
Places the EVI-Link interface in
down state.
NotReady
The EVI link is not monitored.
This situation occurs when the Track module
or the monitoring module is not ready (for
example, the Track module is restarting or the
monitoring settings are incomplete). In this
situation, EVI cannot obtain information about
the EVI link from the Track module.
N/A
For more information about configuring a track entry, see Track configuration in
High Availability
Configuration Guide
.
To associate an EVI tunnel interface with a track entry:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter EVI tunnel interface
view.
interface tunnel number
[
mode
evi
]
N/A
3.
Associate a track entry with
the tunnel interface.
evi isis track track-entry-number
By default, an EVI tunnel interface
is not associated with any track
entry.
You can associate an EVI tunnel
interface with only one track entry.
Specifying a routing policy for an EVI IS-IS process
You can configure a routing policy to match MAC reachability information that can be advertised to
the remote EVI sites. The routing policy is also called a reachability information filtering policy.
The routing policy for EVI IS-IS can only contain the following filters:
•
MAC list.
