OS6860(E)_AOS_8.1.1.R01_Switch_Management_Guide

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Virtual Chassis Split Protection (VCSP) Configuring Virtual Chassis Use the virtual-chassis split-protection guard-timer and the virtual-chassis split-protection adminstate commands to configure the guard timer and enable/disable VCSP. Automatic Recovery If the VFL link recovers and the sub-VC reconnects to the active VC the sub-VC will automatically reboot. The protection units will come up in the protection state; however they will now be part of the active VC but their front panel ports will still be disabled. The master of the combined VC will detect that there are new elements in the protection state. The master will wait for 60 seconds then bring one element at a time from the protection state until all elements are active. Once complete, the master will generate a trap indicating the VC has been recovered. 1 Normal Operation 2 VC Split helper switch. VCSP PDUs sent over helper linkagg and relayed by Active-VC Sub-VC 1. VC split detected, sub-VC transitions to PROTECTION state. 2. Sub-VC front panel ports shutdown to avoid duplicate addresses on network 3. PROTECTION PDUs sent by sub-VC to active-VC over helper linkagg. 3 Recovery 1. VFL link recovers, new elements detected by Master. 2. Manual Recovery - Administrator disables/enables VCSP to clear PROTECTION state. 3. Automatic Recovery - After guard-timer expiration, Master will bring up elements one at a time. 4. Once VC is functioning, Master will send trap indicating VC recovery. VC Split Example page 13-14 OmniSwitch AOS Release 8 Switch Management Guide May 2014
Configuring Virtual Chassis Virtual Chassis - ISSU Virtual Chassis - ISSU Upgrading a virtual chassis can be performed by uploading the new images to the Master chassis and rebooting the entire virtual chassis. Prior to rebooting the Master will copy the new image files to the Slave and once the virtual chassis is back up the entire virtual chassis will be synchronized and running with the upgraded code. The standard procedure is as follows: 1 Connect to the Virtual Chassis using the VC-EMP IP address. 2 Upload the new images to the Master chassis. 3 Reboot the entire virtual chassis 4 The new images are copied to the Slave chassis prior to rebooting and the entire virtual chassis is synchronized when it comes back up. Virtual Chassis - Upgrading with ISSU The In-Service Software Upgrade (ISSU) feature is used to upgrade a Virtual Chassis with minimal network disruption. Each switch can be upgraded individually without requiring the entire Virtual Chassis to be rebooted at the same time. The ISSU upgrade overview: 1 The Virtual Chassis will first verify that it is in a state that will allow a successful ISSU upgrade. 2 It will then copy the images and configuration files of the ISSU specified directory to the Slave chassis and reload the entire Slave chassis from the ISSU directory. The Slave chassis reloads with the new image files. 3 When the Slave has rebooted and rejoined the Virtual Chassis it is now using the new image files. The Master chassis is now reset which causes the Slave chassis to become the new Master chassis. 4 When the original Master chassis reloads it comes back as a Slave chassis. To restore the role of Master to the original Master chassis the current Master can be rebooted and the original Master will takeover, assuming the Master role. Performing an ISSU Upgrade Note. The example below uses a directory named ‘issu_dir’. However, the directory can be any userdefined directory. 1 Ensure that the Virtual Chassis is fully synchronized and certified. OmniSwitch AOS Release 8 Switch Management Guide May 2014 page 13-15
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Part No. 060391-10, Rev. A May 2014
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Contents About This Guide .........
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Contents Using the Switch as an FTP
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Contents Account and Password Polic
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Contents Authentication Trap ......
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Contents Firmware Upgrade Files ...
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About This Guide This OmniSwitch AO
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About This Guide Documentation Road
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About This Guide Related Documentat
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1 Logging Into the Switch Logging i
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Logging Into the Switch Quick Steps
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Logging Into the Switch Overview of
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Logging Into the Switch Accessing t
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Logging Into the Switch Setting the
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Logging Into the Switch Using Secur
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Logging Into the Switch Modifying t
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Logging Into the Switch Enabling th
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Logging Into the Switch Enabling th
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2 Managing System Files This chapte
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Managing System Files Switch Admini
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Managing System Files File and Dire
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Managing System Files Loading Softw
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Managing System Files Loading Softw
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Managing System Files Setting the S
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Managing System Files Setting the S
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3 Managing CMM Directory Content Th
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Managing CMM Directory Content CMM
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Managing CMM Directory Content Mana
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Managing CMM Directory Content Usin
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4 Using the CLI Alcatel-Lucent’s
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Using the CLI Command Entry Rules a
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Using the CLI Command Help -> sh vl
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Using the CLI Logging CLI Commands
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Using the CLI Customizing the Scree
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5 Working With Configuration Files
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Working With Configuration Files Tu
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Working With Configuration Files Qu
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Working With Configuration Files Cr
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6 Managing Switch User Accounts Swi
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Managing Switch User Accounts User
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Managing Switch User Accounts Overv
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Managing Switch User Accounts Creat
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Managing Switch User Accounts Confi
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Managing Switch User Accounts Setti
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Managing Switch User Accounts Multi
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7 Managing Switch Security Switch s
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Managing Switch Security Switch Sec
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Managing Switch Security Authentica
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Managing Switch Security Quick Step
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Managing Switch Security Setting Up
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Managing Switch Security Configurin
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8 Using WebView The switch can be m
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Using WebView WebView CLI Commands
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Using WebView WebView Overview Conf
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9 Using SNMP The Simple Network Man
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Using SNMP Quick Steps for Setting
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Using SNMP Quick Steps for Setting
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Using SNMP SNMP Overview Using SNMP
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Using SNMP Using SNMP For Switch Se
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Using SNMP Using SNMP For Switch Se
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Using SNMP Working with SNMP Traps
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Using SNMP Verifying the SNMP Confi
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10 Web Services, CLI Scripting, and
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Page 181 and 182: 11 Configuring Network Time Protoco
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Page 243 and 244: A Software License and Copyright St
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SNMP Traps Table No. Trap Name Obje
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Index Symbols !! command 4-6 A aaa
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Index Network Time Protocol see NTP
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