PVST+Per VLAN Spanning Tree Plus (Cisco)
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Its existing data centre and production backbone network used traditional solutions and closed private technologies like EIGRP and PVST+. At the network equipment aspect, Huawei provides CloudEngine, USG Next-Generation Firewall (NGFW), and other devices that feature open architectures, standard network control protocols, and standard interfaces.
Protocols: 802.1D and 802.1w; minimum 6 STP groups; PVST+ support; 802.1Q support, minimum 1024 VLANs supported; VLAN stacking support; port and MAC based VLAN support; 802.1p, DiffServ support; 802.1ad support, minimum 4 trunk supported; DHCP relay support; 802.1ab support; SNMP, RMON support; Jumbo frame support 9216 bytes; 802.1X support
The switch also supports Layer 2 Protocol Tunneling for Spanning Tree Protocol (STP), Cisco Discovery Protocol (CDP), Link Layer Discovery Protocol (LLDP), VSI Discovery and Configuration Protocol (VDP), and Per VLAN Spanning Tree (PVST+), with Cisco proprietary multicast address replacement.