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Device Access
secure; traffic across soft zones can occur if addressed correctly. The following
rules apply to soft zones:
• Soft zones that include members from multiple switches need not include
the ports of the inter-switch links.
• Soft zone boundaries yield to ACL zone boundaries.
• Soft zones can overlap; that is, a port can be a member of more than one
soft zone.
• Membership can be defined by Fibre Channel address, domain ID and
port number, or port worldwide name.
• Soft zoning supports FL_Ports and F_Ports.
Access Control List Hard Zones
Access Control List (ACL) zoning divides the fabric for purposes of
controlling discovery and inbound traffic. ACL zoning is a type of hard
zoning that is hardware enforced. This type of zoning is useful for controlling
access to certain devices without totally isolating them from the fabric.
Members can communicate with each other and transmit outside the ACL
zone, but cannot receive inbound traffic from outside the zone. The following
rules apply to ACL zones:
• The ACL zone boundary is secure against inbound traffic.
• ACL zones can overlap; that is, a port can be a member of more than one
ACL zone.
• ACL zones that include members from multiple switches need not
include the ports of the inter-switch links.
• ACL zone boundaries supersede soft zone boundaries.
• Membership can be defined only by domain ID and port number. A
switch module port can be a member of multiple ACL zones whose
combined membership does not exceed 64.