# HA 、橋接網路與整合防火牆

#### 高可用性叢集 <a href="#high_availability_cluster" id="high_availability_cluster"></a>

多節點Proxmox VE HA群集可定義高可用性虛擬服務器。Proxmox VE HA群集基於成熟的Linux HA技術，可提供穩定和可靠的HA服務。

#### 靈活的網絡 <a href="#flexible_networking" id="flexible_networking"></a>

Proxmox VE使用橋接網絡模型。所有虛擬機都可以共享一個網橋，就像每個來賓的虛擬網絡電纜都插入同一交換機一樣。為了將VM連接到外部世界，網橋連接到物理網卡並分配了TCP / IP配置。

為了獲得更大的靈活性，可以使用VLAN（IEEE 802.1q）和網絡綁定/聚合。這樣，可以利用Linux網絡堆棧的全部功能為Proxmox VE主機構建複雜，靈活的虛擬網絡。

#### 整合防火牆 <a href="#integrated_firewall" id="integrated_firewall"></a>

整合防火牆允許您在任何VM或Container接口上過濾網路封包。常見的防火牆規則集可以分為“安全組”。


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