Hierarchical Design Model – Core – distribution – access layer

A hierarchical network design includes the following three layers:

The backbone (core) layer that provides optimal transport between sites
The distribution layer that provides policy-based connectivity
The local-access layer that provides workgroup/user access to the network

Changing the Range of Reserved VLANs

To change the range of reserved VLANs, you must be in the configuration mode. After entering this command, you must do the following tasks:

Enter the copy running-config startup-config command

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Feb, 04, 2013
Angelo Schalley
Cisco, MS SQL, MySQL, Networking, security

sh runn timeout (check default timeout settings)

access-list oracle-1521 permit tcp host 10.26.x.x host 10.25.x.x (or make the access-list specific for a certain protocol)

class-map oracle-1521
match access-list oracle-1521
exit

policy-map global_policy
class oracle-1521
set connection timeout tcp 0:0:0 reset (setting no timeout for the specific access-list, DCD will determine with probes if the session needs to be torn down)

Category Archives: Cisco

Hierarchical Design Model – Core – distribution – access layer

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Changing the Range of Reserved VLANs

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