Can CE series switches interconnect with competitors' devices through the VBST protocol

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CE series switches can interconnect with competitors' devices through the VBST protocol.

Other related questions:
Standard spanning tree protocols used on S series switch
S series switches (except S1700 switches) support the following standard spanning tree protocols: 1. STP: Spanning Tree Protocol 2. RSTP: Rapid Spanning Tree Protocol, compatible with STP 3. MSTP: Multiple Spanning Tree Protocol, compatible with STP and RSTP By default, S series switches use MSTP. When running a command to set STP mode, you can select STP, RSTP, or MSTP. VLAN-Based Spanning Tree (VBST) is a Huawei proprietary spanning tree protocol, which sets up a spanning tree for each VLAN, so traffic in different VLANs can be forwarded through different spanning trees.

How to interconnect a CE series switch with a Cisco switch through GRE
A CE series switch can interconnect with a Cisco switch through GRE, and they support the Keepalive function of GRE tunnels. The following is a configuration example (basic configurations such as the routing configuration are not provided): Tunnel interface configuration on a Cisco switch: interface Loopback0 ip address 1.1.1.191 255.255.255.255 interface Tunnel1 ip address 30.1.1.2 255.255.255.0 keepalive 10 3 tunnel source Loopback0 tunnel destination 152.2.252.11 Tunnel interface configuration on a CE series switch: interface Tunnel1 ip address 30.1.1.1 255.255.255.0 tunnel-protocol gre //GRE encapsulation is used on the tunnel interface of a Cisco switch by default. keepalive period 10 //The minimum Keepalive period on a Cisco switch is 10s. source 152.2.252.11 destination 1.1.1.191

Can CE series switches interwork with non-Huawei devices through VRRP
VRRP is a public protocol and can interwork with non-Huawei devices.

Whether OSN 1800 can be interconnected with SDH devices through the extended ECC
OSN 1800 can be interconnected with SDH devices through the extended ECC.

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