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in Network by anonymous Bilge (165k points)
dell os10 vlt ve vrrp  tecrübeleri

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by anonymous Bilge (165k points)
#show vrrp brief // vrrp tablosunu gösterir. Priority değeri yüksek olan master state konumundadır. Bu değer her iki omurgada aynı ise, ip adresi yüksek olan master state konuma geçer.

Vlan 200 için bu değeri set edelim. conf modunda;
#interface vlan 200
# vrrp 200
# priority 200
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by anonymous Bilge (165k points)
flow control receive on ve off modları şu senaryolar için etkilidir

Swtiche bağlı bir sunucu düşünün, 1 gb ethernet hızı olsun. Switch üzerinden buna erişien iki client olsun her biri 1 gb ethernet hızına sahip. İkisi birden tam kapasite ulaşmaya kalktığında biri cevap  alamaz ve paketler birikmeye başlar. Akış kontrolü paketleri hedefe ulaşmayan clienta bir mesaj gönderir ve durumu haber verir. Mesele bundan ibarettir.
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by anonymous Bilge (165k points)
vrrp active-active default olarak gelir. no ac.. ile devre dışı bırakılabilir.
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by anonymous Bilge (165k points)
Konfigurasyon kontrolü

#show vlt domain-name mismatch

#show vlt mac-inconsistency
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by anonymous Bilge (165k points)

When deploying VLT, consider the following best practices:

  • Both VLT peers require the same SmartFabric OS10 version within the production environment; however, a mismatch in versions is acceptable during the upgrade procedure.
  • Backup destination, or heartbeat connectivity, is recommended through the management network.
  • Enable spanning tree to avoid unintentional loops in the network.
  • Configure identical vlt-mac on both VLT peers to avoid VLT port channel flap during failure scenarios, such as VLTi flap and node reboot.
  • Increase the delay restore timer in a scaled VLAN configuration.
  • Always deploy more than one link for VLTi port channel.
  • Implement dynamic LACP for VLT port channels.
  • Implement VLT nodes as the root bridge and the backup root bridge.
  • Use the default active-active VRRP mode in VLT-VLANs.
  • Configure symmetrical configurations on VLT port channels and VLT-VLANs on both VLT nodes.
  • Identify and correct any mismatches reported by the show vlt mismatch command.
  • For high availability, connect VLT port channels to the access nodes. Orphan ports that are connected directly to servers or switches will fail if the connected node goes down
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