Enterprise Data Center Design - Revision history

Rael: /* Lag 2 - Looped design */

2012-08-27T06:24:04Z

‎Lag 2 - Looped design

2012-08-24T06:15:32Z

2011-09-09T05:58:42Z

‎STP in the DataCenter

2011-09-08T18:52:34Z

‎STP in the DataCenter

2011-09-08T18:00:10Z

‎STP in the DataCenter

2011-09-08T17:58:40Z

‎STP in the DataCenter

2010-09-09T06:16:17Z

‎Establisheing Inbound Path Prefenrece

2010-09-07T15:09:20Z

‎Eksterne henvisninger

2010-09-07T15:03:07Z

‎Optimizing EtherChannel U tilization with Min-Links

2010-09-07T14:57:00Z

‎Optimizing EtherChannel U tilization with Min-Links

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 |-
 |[[Image:Data Center Lag 2 looped Square Access.png|400px|thumb| Looped design Square Access]]
 |[[Image:Data Center Lag 2 looped Triangle Access.png|400px|thumb| Looped design Triangle Access]]
 |}
 == Lag 2 - Loop frit design ==
 I Lag to Loop frit design er der ikke VLAN på Aggregationslaget modsat Looped design (Se overnfor). Ved omvendt U er det dog muligt at have VLAN på Aggregationslaget. Lag to services er supporteret. Lag tre Routning foregår på Aggregations laget.

@@ Line 2: / Line 2: @@
 {{In progress}}
 __TOC__
-[[Cisco Catalyst 6500 serie switches]]
+*[[Cisco Catalyst 6500 serie switches]]
-[http://www.cisco.com/en/US/netsol/ns949/index.html Cisco Data Center Technologies]
 = Designing The Core and Aggregation Layers =
 {|

@@ Line 117: / Line 117: @@
 HSRP instances. Cisco recommends a maximum of 500 HSRP instances on the Catalyst 6500 series Supervisor Engine 720 with default timers.<br/>
 '''Use MST if it meets the requirements''': If you cannot support the STP scaling issues with RSTP, you can consider implementing MST.
 ==High Availability and Failover Times==

@@ Line 115: / Line 115: @@
 <br/><br/>
 '''Limit HSRP instances''': The number of VLANs is typically tied to the number of
-HSRP instances. Cisco recommends a maximum of 500 HSRP instances on the Catalyst 6500 series Supervisor Engine 720 with 1 , 3 timers.<br/>
+HSRP instances. Cisco recommends a maximum of 500 HSRP instances on the Catalyst 6500 series Supervisor Engine 720 with default timers.<br/>
 '''Use MST if it meets the requirements''': If you cannot support the STP scaling issues with RSTP, you can consider implementing MST.

@@ Line 103: / Line 103: @@
 |}
 ==STP in the DataCenter==
-RSTP is the most common STP used in the data center today, and is the implementation
+RPVST+ is the most common STP used in the data center today, and is the implementation
 recommended by Cisco for the enterprise data center.
 *It scales to a large size (about 10,000 logical ports).
@@ Line 110: / Line 110: @@
 MST is not as common in the enterprise data center because of its characteristics:
 *It permits large-scale STP implementations (about 30,000 logical ports). This is typically more useful for service providers and application service providers.
-*It isn’t as flexible as RSTP.
+*It isn’t as flexible as RPVST+.
 *It has service module implications for firewalls in transparent mode.
 *It is more commonly used with service providers and application service providers.

@@ Line 54: / Line 54: @@
 |[[Image:Data Center Active Active service module design.png|Active/Active Service Module Design]]
 |}
-====Establisheing  Inbound Path Prefenrece====
+====Establisheing  Inbound Path Preference====
 Route Health  Injection(RHI) tillader at en Cisco CSM/ACE i en 6500 switch installerer en hoste route til den virtuelle server. /32 routen fjerner problemer med asymmetriske routing.

@@ Line 102: / Line 102: @@
 |[[Image:ScreenShot408.jpg|800px|left|thumb|Image text]]
 |}
-==STP in the DataCenter
+==STP in the DataCenter==
 = Eksterne henvisninger =