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HP Mellanox SX1018 Mellanox MLNX-OS User Manual for SX1018HP Ethernet Managed - Page 42

Downgrading MLNX-OS Software

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Rev 1.6.2 Step 3. Require trusted signature in image being installed: yes switch (config) # Delete the unused images. Run: switch config) # image delete image-PPC_M460EX-SX_3.0.1224.img switch (config) # For further information, please refer to Mellanox MLNX-OS Command Reference Guide. 4.2.3 Downgrading MLNX-OS Software Prior to downgrading software, please make sure the following prerequisites are met: Step 1. Log into your switch via the CLI using the console port. Step 2. Backup your configuration according to the following steps: 1. Change to Config mode. Run: switch-112094 [standalone: master] > enable switch-112094 [standalone: master] # configure terminal switch-112094 [standalone: master] (config) # 2. Disable paging of CLI output. Run: switch-112094 [standalone: master] (config) # no cli default paging enable 3. Display commands to recreate current running configuration. Run: switch-112094 [standalone: master] (config) # show running-config 4. Copy the output to a text file. 4.2.3.1 Downloading Image Step 1. Log into the system to obtain the serial number. Run: switch-112094 [standalone: master] (config) # show inventory Step 2. Download the requested MLNX-OS version from the following link: http://support.mellanox.com/SupportWeb/ Step 3. Enter your username and password when prompted. Step 4. Log into the switch via the CLI using the console port. Step 5. Change to Config mode. Run: switch > enable switch # configure terminal switch (config) # Step 6. Delete all previous images from the Images available to be installed prior to fetching the new image. Run: switch (config) # image delete image-EFM_PPC_M405EX-ppc-m405ex 20090531-190132.img Step 7. Fetch the requested software image. Run: switch (config) # image fetch scp://username:[email protected]/var/www/html/ 100.0 Mellanox Technologies 42

Section	Page
Mellanox MLNX-OS™ User Manual for SX1018HP Ethernet Managed Blade Switch	1
Table of Contents	3
Document Revision History	6
About this Manual	7
1 Introduction	10
1.1 MLNX-OS Features	10
2 Getting Started	12
2.1 Configuring the Switch for the First Time - Installation Wizard	12
2.1.1 Re-running the Wizard	17
2.2 Starting The Command Line (CLI)	17
2.3 Starting the Web Interface	18
2.4 Licenses	20
2.4.1 Installing MLNX-OS License (CLI)	20
2.4.2 Installing MLNX-OS License (Web)	21
2.4.3 Retrieving Your Lost License Key	23
3 User Interfaces	25
3.1 Command Line Interface (CLI)	25
3.1.1 CLI Modes	25
3.1.2 Syntax Conventions	26
3.1.3 Getting Help	26
3.1.4 Prompt and Response Conventions	27
3.1.5 Using the Negation Form	28
3.1.6 Parameter Key	29
3.2 Web Interface	30
3.2.1 Setup Menu	31
3.2.2 System Menu	32
3.2.3 Security Menu	33
3.2.4 Ports Menu	33
3.2.5 Status Menu	34
3.2.6 IB SM Mgmt	34
3.2.7 Fabric Inspector	35
3.2.8 ETH Mgmt	36
4 System Management	37
4.1 Management Interface	37
4.1.1 Configuring Management Interfaces With Static IP Addresses	37
4.1.2 Configuring IPv6 Address on the Management Interface	37
4.1.3 Dynamic Host Configuration Protocol (DHCP)	37
4.1.4 Default Gateway	38
4.2 Software Management	38
4.2.1 Upgrading MLNX-OS Software	38
4.2.2 Deleting Unused Images	41
4.2.3 Downgrading MLNX-OS Software	42
4.2.3.1 Downloading Image	42
4.2.3.2 Downgrading Image	43
4.2.3.3 Switching to Partition with Older Software Version	44
4.2.4 Upgrading System Firmware	45
4.2.4.1 After Updating MLNX-OS Software	45
4.2.4.2 Importing Firmware and Changing the Default Firmware	45
4.3 File Management	46
4.3.1 Saving a Configuration File	46
4.3.2 Loading a Configuration File	47
4.3.3 Restoring Factory Default Configuration on a Switch System (Single Management Module)	47
4.4 Remote Logging	47
4.4.1 Configuring Remote Syslog to “info” Level	47
4.5 Event Notifications	48
4.5.1 E-mail Notifications	48
4.6 Diagnostics	49
4.6.1 Retrieving Return Codes when Executing Remote CLI Commands through SSH	49
4.7 User Management and Security	49
4.7.1 Authentication, Authorization and Accounting (AAA)	49
4.7.1.1 RADIUS	50
4.7.1.2 TACACS+	50
4.7.1.3 LDAP	50
4.7.2 Secure Shell (SSH)	51
4.7.2.1 Adding a Host and Providing an SSH Key	51
4.7.3 User Accounts	51
4.8 Network Management Interfaces	52
4.8.1 SNMP	52
4.8.1.1 Standard MIBs	52
4.8.1.2 Private MIB	54
4.8.1.3 Traps	54
4.8.1.4 Configuring SNMP	54
4.8.1.5 Configuring an SNMPv3 User	55
4.8.1.6 Configuring an SNMP notifications	55
4.8.2 MLNX-OS XML API	56
5 Ethernet Switching	58
5.1 Interface	58
5.1.1 Break-Out Cables	58
5.1.1.1 Changing the Module Type to a Split Mode	60
5.1.1.2 Returning to the Non-Split Mode	61
5.2 Link Aggregation Group (LAG)	61
5.2.1 Configuring Static Link Aggregation Group (LAG)	61
5.2.2 Configuring Link Aggregation Control Protocol (LACP)	62
5.3 VLANs	62
5.3.1 Configuring Access Mode and Assigning Port VLAN ID (PVID) to Interfaces	63
5.3.2 Configuring Hybrid Mode and Assigning Port VLAN ID (PVID) to Interfaces	63
5.3.3 Configuring Trunk Mode VLAN Membership	64
5.3.4 Configuring Hybrid Mode VLAN Membership	65
5.4 MAC Address Table	65
5.4.1 Configuring Unicast Static MAC Address	65
5.5 Spanning Tree	66
5.5.1 Rapid Spanning Tree Protocol	66
5.5.2 RSTP Enhancements	66
5.5.3 Disabling Spanning Tree Protocol	67
5.6 IGMP Snooping	67
5.6.1 Configuring IGMP Snooping	67
5.6.2 Defining a Multicast Router Port on a VLAN	68
5.7 Link Layer Discovery Protocol (LLDP)	69
5.7.1 Configuring LLDP	69
5.8 Quality of Service (QoS)	70
5.8.1 Priority Flow Control and Link Level Flow Control	70
5.8.2 Enhanced Transmission Selection (ETS)	72
5.9 Access Control List	73
5.9.1 Configuring Access Control List	74
5.9.2 ACL Actions	74
6 IP Routing	75
6.1 General	75
6.1.1 Interface VLAN	75
6.1.2 Equal Cost Multi-Path Routing (ECMP)	75