2–Planning Device Access

Device Access

Consider device access needs within the fabric. Access is controlled by the use of zones and zone sets. Some zoning strategies include the following:

Separate devices by operating system

Separate devices that have no need to communicate with other devices in the fabric or have classified data.

Separate devices into department, administrative, or other functional group.

Zoning divides the fabric for purposes of controlling discovery and inbound traffic. A zone is a named group of ports or devices. Members of the same zone can communicate with each other and transmit outside the zone, but cannot receive inbound traffic from outside the zone. Zoning is hardware-enforced only when a port/device is a member of no more than eight zones whose combined membership does not exceed 64. If this condition is not satisfied, that port behaves as a soft zone member. You can assign ports/devices to a zone individually or as a group by creating an alias.

A zone can be a component of more than one zone set. Several zone sets can be defined for a fabric, but only one zone set can be active at one time. The active zone set determines the current fabric zoning.

A zoning database is maintained on each switch. Table 2-1describes the zoning database limits, excluding the active zone set.

Table 2-1. Zoning Database Limits

 

 

Limit

Description

 

 

MaxZoneSets

Maximum number of zone sets (256).

 

 

MaxZones

Maximum number of zones (2000) including orphan zones

 

 

MaxAliases

Maximum number of aliases (2500).

 

 

MaxTotalMembers

Maximum number of zone and alias members (10000) that

 

can be stored in the switch zoning database. Each instance

 

of a zone member or alias member counts toward this maxi-

 

mum.

 

 

MaxZonesInZoneSets

Maximum number of zones that are components of zone

 

sets (2000), excluding the orphan zone set. Each instance

 

of a zone in a zone set counts toward this maximum.

 

 

MaxMembersPerZone

Maximum number of members in a zone (2000)

 

 

MaxMembersPerAlias

Maximum number of members in an alias (2000)

 

 

2-2

59229-05 A

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Q-Logic 9100, 59229-05 A manual Device Access, Zoning Database Limits
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59229-05 A, 9100 specifications

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