HP StorageWorks 8/80 Brocade Access Gateway Administrator's Guide v6.2.0 (53-1 - Page 49

Loopbacks Core AG N_port to Edge AG F_Port are not allowed., Access Gateway cascading

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Access Gateway Cascading 2 . FIGURE 9 Access Gateway cascading Ports are connected between the two AG switches, which are connected to each other. AG cascading connections between devices increase the network use because cascading provides higher over-subscription while allowing you to consolidate the number of ports going to the main fabric. There is no license requirement to use this feature. The configuration considerations when cascading Access Gateway modules/switches are: • You can enable the Port Grouping (PG) policy on both the Edge and Core AG switches. • Only one level of cascading is supported. Note that several Edge AGs can connect into a single Core AG to support higher consolidation ratios. • AG trunking between the Edge and Core AG switches is not supported. Trunking between the Core AG switch and the fabric is supported. • It is recommended you enable the Advanced Security Policy (ADS) on the AG F_Ports that are directly connected to the servers. • APC policy is not supported when cascading. • Loopbacks (Core AG N_port to Edge AG F_Port) are not allowed. • The agshow command issued on the fabric will discover only the Core AG switches. If issued as agshow --name , then the F_ports of both the Core and Edge AG switches will be shown for the Core AG switch. Access Gateway Administrator's Guide 31 53-1001189-01

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Access Gateway Administrator’s Guide
31
53-1001189-01
Access Gateway Cascading
2
.
FIGURE 9
Access Gateway cascading
Ports are connected between the two AG switches, which are connected to each other. AG
cascading connections between devices increase the network use because cascading provides
higher over-subscription while allowing you to consolidate the number of ports going to the main
fabric. There is no license requirement to use this feature.
The configuration considerations when cascading Access Gateway modules/switches are:
•
You can enable the Port Grouping (PG) policy on both the Edge and Core AG switches.
•
Only one level of cascading is supported. Note that several Edge AGs can connect into a single
Core AG to support higher consolidation ratios.
•
AG trunking between the Edge and Core AG switches is not supported. Trunking between the
Core AG switch and the fabric is supported.
•
It is recommended you enable the Advanced Security Policy (ADS) on the AG F_Ports that are
directly connected to the servers.
•
APC policy is not supported when cascading.
•
Loopbacks (Core AG N_port to Edge AG F_Port) are not allowed.
•
The
agshow
command issued on the fabric will discover only the Core AG switches. If issued as
agshow --name
<
AG Name
>, then the F_ports of both the Core and Edge AG switches will be
shown for the Core AG switch.