Supporting Fabric OS 8.2 - Dell Technologies

USER GUIDE Brocade Fabric OS Extension User Guide, 8.2.1 Supporting Fabric OS 8.2.1 FOS-821-Ext-UG101 28 September 2018

Copyright 2018 Brocade Communications Systems LLC. All Rights Reserved. Brocade and the stylized B logo are among the trademarks of Brocade Communications Systems LLC. Broadcom, the pulse logo, and Connecting everything are among the trademarks of Broadcom. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries. Brocade, a Broadcom Inc. Company, reserves the right to make changes without further notice to any products or data herein to improve reliability, function, or design. Information furnished by Brocade is believed to be accurate and reliable. However, Brocade does not assume any liability arising out of the application or use of this information, nor the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. The product described by this document may contain open source software covered by the GNU General Public License or other open source license agreements. To find out which open source software is included in Brocade products, view the licensing terms applicable to the open source software, and obtain a copy of the programming source code, please visit working/tools/oscd. 2 Brocade Fabric OS Extension User Guide, 8.2.1 FOS-821-Ext-UG101

Contents Introduction. 8 About This Guide. 8 What's New in This Document for Fabric OS 8.2.1.8 Changes Made for the Initial Release. 8 Supported Hardware and Software. 8 Contacting Brocade Technical Support. 9 Document Feedback. 9 Extension Concepts and Features. 10 Brocade Extension Concepts.10 Extension Trunks, Tunnels, Circuits, and Interfaces. 11 VE Ports and VEX Ports. 13 Gigabit Ethernet Interfaces.14 Ethernet Interfaces.15 Virtual Circuits and Tunnels. 15 FCIP Extension. 16 IP Extension.17 Extension Trunking. 19 Redundancy and Fault Tolerance.19 Considerations for Multiple Tunnel Use with Protocol Optimization.21 IP WAN Network Considerations. 21 IP LAN Network Considerations.22 Extension Hot Code Load. 22 Extension HCL Operation.23 Extension HCL Limitations and Considerations.24 Extension HCL Enhancements in Fabric OS 8.2.0. 26 Fibre Channel SAN Considerations.27 Adaptive Rate Limiting.27 Brocade 7840 Switch, Brocade 7810 Switch, and Brocade SX6 Blade Support for ARL.27 Brocade FX8-24 Extension Blade Support for the ARL Backoff Algorithm.28 FSPF Link Cost Calculation When ARL Is Used.28 ARL Considerations.28 Compression Options. 29 Compression Options for the Brocade 7840 Extension Switch, the Brocade 7810 Extension Switch, and the Brocade SX6 Extension Blade. 29 Compression Options for the Brocade FX8-24 Extension Blade. 30 FastWrite and Open Systems Tape Pipelining.30 FICON Acceleration.32 VM Insight. 33 NVMe Support over Extension. 34 IP Security Encryption.34 IPsec for the Extension Switches and Blades.35 Limitations Using IPsec over Tunnels.35 IPv6 Addressing. 36 Memory Use Limitations for Large-Device Tunnel Configurations.37 Control Blocks Created during FCP Traffic Flows. 39 Control Blocks Created during FICON Traffic Flows.39 Brocade Fabric OS Extension User Guide, 8.2.1 FOS-821-Ext-UG101 3

Considerations for Tunnel Control Block Memory and Device Configuration. 40 Firmware Downloads.42 Extension Platforms and Features.43 Extension Platforms and Features Overview. 43 Brocade 7840 Extension Switch, Brocade 7810 Extension Switch, and Brocade SX6 Extension Blade Overview.46 Brocade 7840 Extension Switch Ports. 47 Brocade 7810 Extension Switch Ports. 48 Brocade SX6 Extension Blade Ports. 48 Ethernet Port Groups. 49 Fibre Channel Port Groups.50 Network DP Components.51 10VE and 20VE Port Distribution. 54 10GbE and 40GbE Port and Circuit Considerations .55 Brocade 7840 License Options. 55 Brocade 7810 License Options. 56 Brocade SX6 License Options. 56 Brocade FX8-24 Extension Blade Overview. 57 Brocade FX8-24 Operating Modes.57 Brocade FX8-24 Data Processor Complexes.57 Removing the Brocade FX8-24 Extension Blade. 58 Brocade FX8-24 Blade License Options.58 Brocade FX8-24 Blade Multi-gigabit Circuits.58 Crossports and Failover. 59 Bandwidth Allocation and Restrictions. 59 Tunnel and Circuit Requirements for Brocade Extension Platforms. 62 Brocade 7840 Switch, Brocade 7810 Switch, and Brocade SX6 Blade. 63 Brocade FX8-24 Requirements. 64 Brocade IP Extension.65 Tunnels and Hybrid Mode.66 Out-of-Order Delivery on a Tunnel.66 IP Extension and Traffic Control Lists . 66 IP Extension and QoS. 71 IP Extension and Compression. 71 IP Extension and IP LAN Deployment. 72 IP Extension Limitations and Considerations. 74 Extension Platform and L2 Protocols. 74 Trunking on LAN Ports Using LACP. 74 Neighbour Discovery on GbE Ports using LLDP. 75 The KAP Support for LACP and LLDP. 75 Upgrade and Downgrade Considerations for LAG and LLDP.76 Extension Hot Code Load for the Brocade 7840 and the Brocade SX6. 77 Path MTU Discovery. 77 Circuit Failover. 78 Circuit Failover Grouping. 79 Bandwidth Calculation during Failover. 80 10-GbE Lossless Link Loss (FX8-24 Blade). 81 Circuit Spillover. 81 Understanding Circuit Spillover Utilization. 82 Circuit Spillover Considerations. 85 Service-Level Agreement .85 4 Brocade Fabric OS Extension User Guide, 8.2.1 FOS-821-Ext-UG101

Configuring Extension Features.87 Configuration Overview.87 Configuration Prerequisites.88 Configuring Platform Modes .89 Configuring FCIP or Hybrid Mode. 89 Configuring VE Mode. 90 Clearing the SX6 Blade Configuration .91 Configuring GE Mode on the Brocade 7810 Switch.91 Configuring GbE Mode on the Brocade FX8-24.94 Configuring VEX Ports on the FX8-24. 95 Configuring Ports. 96 Configuring Port Speeds. 96 Configuring Layer 2 Protocols. 97 Configuring Global LLDP Parameters.97 Configuring Static and Dynamic LAGs Using LACP.99 Configuring IPIF and IP.102 Configuring IPIF. 102 Configuring IP Route.104 Configuring VLANs.106 Verifying IP Connectivity.107 Configuring a Service-Level Agreement .108 Configuring IPsec.111 Configuring IPsec on the Brocade 7810, the Brocade 7840, and the Brocade SX6. 112 IPsec IKE Authentication Failures. 116 Configuring IPsec on the Brocade FX8-24 Blade.118 Configuring Extension Tunnels for FCIP.119 Configuring VE Ports to Persistently Disable.120 Configuring Tunnels.121 Configuring Emulation Features on Tunnels.124 Configuring Compression Options. 125 Configuring WAN on Tunnels.126 Configuring Failover.134 Configuring Failover Groups. 135 Configuring Spillover.

Brocade X6-4 Director and Brocade X6-8 Director with one or more Brocade SX6 Extension Blades Brocade DCX 8510-4 Backbone and Brocade DCX 8510-8 Backbone with one or more Brocade FX8-24 Extension Blades As described in this configuration guide, the software supported is Brocade Fabric OS 8.2.1. Brocade Fabric OS Extension User Guide, 8.2.1