[index] AT-DC2552XS コマンドリファレンス 5.4.8
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Active Master 2 - 001a.eb56.5b97 128 Ready Backup Member Operational Status Normal operation Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Normal operation Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Wed Aug 27 22:50:33 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 64 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port1.0.1 status Learnt neighbor 2 Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Learnt neighbor 2 Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Wed Aug 27 23:58:26 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Backup Member Status Ready Priority 128 Host name awplus-2 S/W version auto synchronization On Resiliency link status Successful Stack port2.0.1 status Learnt neighbor 1 Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Learnt neighbor 1
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - - - - Provisioned 2 - 001a.eb56.5b97 128 Ready Active Master Operational Status Standalone unit Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Standalone unit Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Product type dc2552 Role Provisioned Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Thu Aug 28 00:01:21 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 128 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port2.0.1 status Down Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Down
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Backup Member 2 - 001a.eb56.5b97 128 Ready Active Master Operational Status Normal operation Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Normal operation Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Thu Aug 28 00:03:54 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Backup Member Status Ready Priority 64 Host name awplus-1 S/W version auto synchronization On Resiliency link status Successful Stack port1.0.1 status Learnt neighbor 2 Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Learnt neighbor 2 Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Thu Aug 28 00:01:21 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 128 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port2.0.1 status Learnt neighbor 1 Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Learnt neighbor 1
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Active Master 2 - - - - Provisioned Operational Status Standalone unit Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Standalone unit Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Thu Aug 28 00:10:44 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 64 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port1.0.1 status Down Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Down Stack member 2: ------------------------------------------------------------------ ID 2 Product type dc2552 Role Provisioned
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Active Master 2 - 001a.eb56.5b97 128 Ready Backup Member Operational Status Normal operation Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Normal operation Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Thu Aug 28 00:10:44 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 64 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port1.0.1 status Learnt neighbor 2 Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Learnt neighbor 2 Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Thu Aug 28 00:14:57 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Backup Member Status Ready Priority 128 Host name awplus-2 S/W version auto synchronization On Resiliency link status Successful Stack port2.0.1 status Learnt neighbor 1 Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Learnt neighbor 1
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Active Master 2 - 001a.eb56.5b97 128 Ready Backup Member Operational Status Not all stack ports are up Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Not all stack ports are up Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Thu Aug 28 00:10:44 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 64 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port1.0.1 status Down Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Learnt neighbor 2 Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Thu Aug 28 00:14:57 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Backup Member Status Ready Priority 128 Host name awplus-2 S/W version auto synchronization On Resiliency link status Successful Stack port2.0.1 status Down Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Learnt neighbor 1
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Active Master 2 - - - - Provisioned Operational Status Standalone unit Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Standalone unit Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Thu Aug 28 00:10:44 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 64 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port1.0.1 status Down Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Down Stack member 2: ------------------------------------------------------------------ ID 2 Product type dc2552 Role Provisioned
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - - - - Provisioned 2 - 001a.eb56.5b97 128 Ready Disabled Master Operational Status Operating in failover mode Stack MAC address 001a.eb56.5b97 awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Operating in failover mode Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address Disabled Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Product type dc2552 Role Provisioned Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Thu Aug 28 00:24:56 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Disabled Master Status Ready Priority 128 Host name awplus S/W version auto synchronization On Resiliency link status Successful Stack port2.0.1 status Down Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Down
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Active Master 2 - - - - Provisioned Operational Status Standalone unit Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Standalone unit Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Thu Aug 28 00:29:19 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 64 Host name awplus S/W version auto synchronization On Resiliency link status Not configured Stack port1.0.1 status Down Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Down Stack member 2: ------------------------------------------------------------------ ID 2 Product type dc2552 Role Provisioned
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - - - - Provisioned 2 - 001a.eb56.5b97 128 Ready Active Master Operational Status Standalone unit Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Standalone unit Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Product type dc2552 Role Provisioned Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Thu Aug 28 00:36:40 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 128 Host name awplus S/W version auto synchronization On Resiliency link status Not configured Stack port2.0.1 status Down Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Down
awplus# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 001a.eb56.5ff9 64 Ready Active Master 2 - 001a.eb56.5b97 128 Ready Backup Member Operational Status Normal operation Stack MAC address 0000.cd37.01ad (Virtual MAC) awplus# show stack detail ↓ Virtual Chassis Stacking detailed information Stack Status: ------------------------------------------------------------------ Operational Status Normal operation Management VLAN ID 4094 Management VLAN subnet address 192.168.255.0 Virtual Chassis ID 429 (0x1ad) Virtual MAC address 0000.cd37.01ad Disabled Master Monitoring Enabled Stack member 1: ------------------------------------------------------------------ ID 1 Pending ID - MAC address 001a.eb56.5ff9 Last role change Thu Aug 28 00:42:02 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Active Master Status Ready Priority 64 Host name awplus S/W version auto synchronization On Resiliency link status Configured Stack port1.0.1 status Learnt neighbor 2 Stack port1.0.2 status Down Stack port1.0.3 status Down Stack port1.0.4 status Learnt neighbor 2 Stack member 2: ------------------------------------------------------------------ ID 2 Pending ID - MAC address 001a.eb56.5b97 Last role change Thu Aug 28 00:42:01 2014 Product type AT-DC2552XS AT-DC2552XS Stacking Ports Enabled Role Backup Member Status Ready Priority 128 Host name awplus-2 S/W version auto synchronization On Resiliency link status Failed Stack port2.0.1 status Learnt neighbor 1 Stack port2.0.2 status Down Stack port2.0.3 status Down Stack port2.0.4 status Learnt neighbor 1
awplus> show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 0015.77ad.f818 128 Ready Active Master Operational Status Standalone unit Stack MAC address 0015.77ad.f818
awplus> enable ↓ awplus# configure terminal ↓ Enter configuration commands, one per line. End with CNTL/Z. awplus(config)# stack 1 renumber 2 ↓ Warning: the new ID will not become effective until the stack-member reboots. Warning: the boot configuration may now be invalid.
awplus(config)# end ↓ awplus# reload ↓ reboot system? (y/n): y ↓
awplus> show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 2 - 0015.77ad.f818 128 Ready Active Master Operational Status Standalone unit Stack MAC address 0015.77ad.f818
awplus> enable ↓ awplus# configure terminal ↓ Enter configuration commands, one per line. End with CNTL/Z. awplus(config)# stack 2 priority 192 ↓
awplus> show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 2 - 0015.77ad.f818 192 Ready Active Master Operational Status Standalone unit Stack MAC address 0015.77ad.f818
Note同一ネットワーク上に複数のVCSグループが存在するときは、該当するVCSグループ間でバーチャルシャーシID（stack virtual-chassis-id）が重複しないよう注意して設定してください。バーチャルシャーシIDは、show stackコマンドをdetailオプション付きで実行したときに表示される「Virtual Chassis ID」欄で確認できます。
NoteバーチャルMACアドレス機能の有効化は、stack virtual-macコマンドで行います。バーチャルMACアドレス機能は初期設定では無効ですが、VCS使用時は必ずバーチャルMACアドレス機能を有効にした状態で運用してください。無効状態での運用はサポート対象外となります。
Note上記コマンド以外にも設定変更時に以下のメッセージが表示されるコマンドにつきましても同様に運用中のマスタースイッチと同一に設定してください。
% The device needs to be restarted for this change to take effect.
awplus> enable ↓ awplus# configure terminal ↓ Enter configuration commands, one per line. End with CNTL/Z. awplus(config)# stack management vlan 4000 ↓ awplus(config)# stack management subnet 172.21.255.64 ↓ awplus(config)# stack virtual-mac ↓ awplus(config)# stack virtual-chassis-id 127 ↓
awplus(config)# end ↓ awplus# show running-config ↓ ...（表示されるコンフィグに問題がないことを確認） ... awplus# copy running-config startup-config ↓ This will lose configuration for non-existent stack members, continue? (y/n): y Building configuration... [OK]
Note新メンバーの電源は切った状態でスタックケーブルを接続してください。電源オンの状態でVCSグループに接続するとマスター重複の状態となり、プライオリティーの低い機器でリブートが発生します。
vcg(config)# interface port2.0.1 ↓ vcg(config-if)# switchport resiliencylink ↓
vcg(config)# end ↓ vcg# show running-config ↓ ...（表示されるコンフィグに問題がないことを確認） ... vcg# copy running-config startup-config ↓ Building configuration... [OK] VCS synchronizing file across the stack, please wait.. File synchronization with stack member-2 successfully completed File synchronization with stack member-3 successfully completed File synchronization with stack member-4 successfully completed [DONE]
Note5.4.8-0.3は説明上使用している架空のファームウェアです。5.4.8-0.2リリース時点では実在しませんのでご注意ください。
vcg# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 0009.41fb.c7eb 128 Ready Active Master 2 - 0009.41fb.cfaf 128 Ready Backup Member Operational Status Normal operation Stack MAC address 0009.41fb.c7eb
vcg# show file systems ↓ Stack member 1: Size(b) Free(b) Type Flags Prefixes S/D/V Lcl/Ntwk Avail ------------------------------------------------------------------- 126.8M 101.4M flash rw flash: static local Y - - system rw system: virtual local - ... Stack member 2: Size(b) Free(b) Type Flags Prefixes S/D/V Lcl/Ntwk Avail ------------------------------------------------------------------- 126.8M 101.4M flash rw flash: static local Y - - system rw system: virtual local - ...
vcg# dir vcg-2/flash:/*.rel ↓ ... 1401740 -rw- Jan 01 2011 00:00:00 vcg-2/flash:/dc2500-nolonger-used.rel ... vcg# delete vcg-2/flash:/dc2500-nolonger-used.rel ↓ Deleting.................................................... Successful operation
vcg# copy tftp://10.100.10.70/dc2500-5.4.8-0.3.rel flash ↓ Enter destination file name [dc2500-5.4.8-0.3.rel]: Copying.................................................... Successful operation
vcg# configure terminal ↓ Enter configuration commands, one per line. End with CNTL/Z. vcg(config)# boot system dc2500-5.4.8-0.3.rel ↓ VCS synchronizing file across the stack, please wait........................ File synchronization with stack member-2 successfully completed [DONE]
vcg# show boot ↓ Boot configuration -------------------------------------------------------------------------------- Current software : dc2500-5.4.8-0.2.rel Current boot image : flash:/dc2500-5.4.8-0.3.rel Backup boot image : Not set Default boot config: flash:/default.cfg Current boot config: flash:/default.cfg (file exists) Backup boot config : Not set Autoboot status : disabled vcg# dir *.rel ↓ 14492851 -rw- May 11 2012 06:42:05 flash:/dc2500-5.4.8-0.3.rel ... vcg# dir vcg-2/flash:/*.rel ↓ 14492851 -rw- May 11 2012 06:42:05 vcg-2/flash:/dc2500-5.4.8-0.3.rel ...
Note再起動中は通信断が発生します。
vcg(config)# end ↓ vcg# reload ↓ Are you sure you want to reboot the whole stack? (y/n): y ↓ ...
Notereload rolling/reboot rollingコマンドを使用して、VCSグループの運用中にファームウェアをバージョンアップする場合は、次の手順にしたがってください。ここでは説明のため、次の環境を想定します。（以下の説明では、実際のバージョンや画面とは異なる場合があります。）reload rolling/reboot rollingコマンドは、メジャーバージョンアップには使用できません。
Note5.4.8-0.3は説明上使用している架空のファームウェアです。5.4.8-0.2リリース時点では実在しませんのでご注意ください。
vcg# show stack ↓ Virtual Chassis Stacking summary information ID Pending ID MAC address Priority Status Role 1 - 0009.41fb.c7eb 128 Ready Active Master 2 - 0009.41fb.cfaf 128 Ready Backup Member Operational Status Normal operation Stack MAC address 0009.41fb.c7eb
vcg# show file systems ↓ Stack member 1: Size(b) Free(b) Type Flags Prefixes S/D/V Lcl/Ntwk Avail ------------------------------------------------------------------- 126.8M 101.4M flash rw flash: static local Y - - system rw system: virtual local - ... Stack member 2: Size(b) Free(b) Type Flags Prefixes S/D/V Lcl/Ntwk Avail ------------------------------------------------------------------- 126.8M 101.4M flash rw flash: static local Y - - system rw system: virtual local - ...
vcg# dir vcg-2/flash:/*.rel ↓ ... 1401740 -rw- Jan 01 2011 00:00:00 vcg-2/flash:/dc2500-nolonger-used.rel ... vcg# delete vcg-2/flash:/dc2500-nolonger-used.rel ↓ Deleting.................................................... Successful operation
vcg# copy tftp://10.100.10.70/dc2500-5.4.8-0.3.rel flash ↓ Enter destination file name [dc2500-5.4.8-0.3.rel]: Copying.................................................... Successful operation
vcg# configure terminal ↓ Enter configuration commands, one per line. End with CNTL/Z. vcg(config)# boot system dc2500-5.4.8-0.3.rel ↓ VCS synchronizing file across the stack, please wait........................ File synchronization with stack member-2 successfully completed [DONE]
vcg# show boot ↓ Boot configuration -------------------------------------------------------------------------------- Current software : dc2500-5.4.8-0.2.rel Current boot image : flash:/dc2500-5.4.8-0.3.rel Backup boot image : Not set Default boot config: flash:/default.cfg Current boot config: flash:/default.cfg (file exists) Backup boot config : Not set Autoboot status : disabled vcg# dir *.rel ↓ 14492851 -rw- May 11 2012 06:42:05 flash:/dc2500-5.4.8-0.3.rel ... vcg# dir vcg-2/flash:/*.rel ↓ 14492851 -rw- May 11 2012 06:42:05 vcg-2/flash:/dc2500-5.4.8-0.3.rel ...
vcg# reboot rolling ↓ The stack master will reboot immediately and boot up with the configuration file settings. The remaining stack members will then reboot once the master has finished re-configuring. Continue the rolling reboot of the stack? (y/n): y 21:21:40 vcg VCS[1034]: Automatically rebooting stack member-1 (MAC: 0009.41fb. c7eb) due to Rolling reboot
Noteスレーブからマスターへ遷移するとき、リンクダウンはしません。
Noteマスター（ID=1）の正常起動後にポートがリンクアップして通信が可能な状態になりますが、通信が復旧するまでの時間は、ネットワーク環境と使用しているプロトコルの復旧時間に依存します。マスター（ID=1）は正常起動するまでポートをリンクアップしません。旧マスター（ID=2）も再起動中はリンクダウンするため、マスター（ID=1）がコンフィグを読み込んでから正常起動するまでの間、一時的にVCSグループの全ポートがリンクダウンしている状態になります。
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