Database Merge Guidelines; Database Interaction - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual

Database Merge Guidelines

S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Table 39-3 Scenarios for Activation and Auto-Learning learning Configurations in Distributed Mode (continued)
Scenario Actions
A and B exist in the 1.
configuration
database,
activation is not
done and devices
C,D are logged in.
2.
3.
1. The * (asterisk) indicates learned entries.
Database Merge Guidelines
A database merge refers to a union of the configuration database and static (unlearned) entries in the
active database. See the
When merging the database between two fabrics, follow these guidelines:
•
•
If you do not follow these two conditions, the merge will fail. The next distribution will forcefully
Caution
synchronize the databases and the activation states in the fabric.

Database Interaction

Table 39-4
Table 39-4
Active Database
Read-only.
Saving the configuration only saves the activated
entries. Learned entries are not saved.
Cisco MDS 9000 Family CLI Configuration Guide
39-14
Distribution = OFF
You activate the port configuration database = {A,B}
security database and
active database = {A,B, C*, D*}
enable auto-learning.
You disable learning. configuration database = {A,B}
active database = {A,B, C, D}
You issue a commit. Not applicable
CFS Merge Support, page 7-9
Verify that the activation status and the auto-learning status is the same in both fabrics.
Verify that the combined number of configurations for each VSAN in both databases does not
exceed 2 K.
lists the differences and interaction between the active and configuration databases.
Active and Configuration Port Security Databases
Chapter 39
Distribution = ON
configuration database = {A,B}
active database = {null}
pending database = {A,B + activation to
be enabled}
configuration database = {A,B}
active database = {null}
pending database = {A,B + activation to
be enabled +
learning to be disabled}
configuration database = {A,B}
active database = {A,B} and devices C
and D are logged out. This is equal to an
activation with auto-learning disabled.
pending database = empty
for detaileds concepts.
Configuration Database
Read-write.
Saving the configuration saves all the entries in
the configuration database.
OL-18084-01, Cisco MDS NX-OS Release 4.x
Configuring Port Security