How to configure the service network segment and the management network segment connected

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default route

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How to configure the interworking between the service network segment and management network segment on S series switches
User requirements: In the following network topology, the IP address of the PC and the management address of the S2700 are not on the same network segment. The user wants to remotely log in to the S2700 from the PC, so that the service gateway and the management network segment can communicate with each other. Network topology: S5700 (gateway) �?S2700 �?PC Networking description: Configure the S5700 as the service gateway and device management gateway. Configure the management IP address for the S2700 and enable the switch to transparently transmit packets of the service VLAN 10 and the management VLAN 100. Connect GE0/0/1 on the S5700 to GE0/0/1 on the S2700, and FE0/0/1 on the S2700 to the PC. Service planning: Service VLAN: 10 Management VLAN: 100 IP address of VLAN 10 of the S5700: 192.168.10.1 IP address of VLAN 100 of the S5700: 100.1.1.1 IP address of VLAN 100 of the S2700: 100.1.1.2 Service IP address of the PC: 192.168.10.2 S5700 configuration [Huawei]vlan 10 [Huawei -vlan10]quit [Huawei] vlan 100 [Huawei-vlan100]quit [Huawei]interface Vlanif 10 //Configure an IP address for the service VLAN 10. [Huawei-Vlanif10]ip address 192.168.10.1 24 [Huawei-Vlanif100]quit [Huawei]interface Vlanif 100 //Configure an IP address for the management VLAN 100. [Huawei-Vlanif100]ip address 100.1.1.1 24 [Huawei-Vlanif100]quit [Huawei]interface GigabitEthernet 0/0/1 //Configure the interface connected to the S2700 and allow the interface to transparently transmit packets of VLAN 10 and VLAN 100. [Huawei-GigabitEthernet0/0/1]port link-type trunk [Huawei-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 100 [Huawei-GigabitEthernet0/0/1] quit [Huawei]quit S2700 configuration [Huawei]vlan 10 [Huawei -vlan10]quit [Huawei] vlan 100 [Huawei-vlan100]quit [Huawei]interface Vlanif 100 //Configure a management IP address for the S2700. [Huawei-Vlanif100]ip address 100.1.1.2 24 [Huawei-Vlanif100]quit [Huawei]interface GigabitEthernet 0/0/1 //Configure the interface connected to the S5700 and allow the interface to transparently transmit packets of VLAN 10 and VLAN 100. [Huawei-GigabitEthernet0/0/1]port link-type trunk [Huawei-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 100 [Huawei-GigabitEthernet0/0/1] quit [Huawei]interface Ethernet 0/0/1 //Configure the interface connected to the PC to allow packets of the service VLAN 10 to pass through. [Huawei-Ethernet0/0/1]port link-type access [Huawei-Ethernet0/0/1]port default vlan 10 [Huawei-Ethernet0/0/1]quit [Huawei]ip route-static 0.0.0.0 0.0.0.0 100.1.1.1 //On the S2700, configure a default route destined for the management IP address of the S5700. [Huawei]quit PC configuration IP: 192.168.10.2 Gateway: 192.168.10.1 Subnet mask: 255.255.255.0

How are subnets assigned on an AR
When many hosts are distributed on an internal network, the internal host IDs can be divided into multiple subnet IDs to facilitate management. A network can be divided into multiple subnets to conserve IP address space and support flexible IP addressing. Subnetting is implemented within the internal network. The internal network has only one network ID for the external network. When packets are transmitted from the external network to the internal network, the router on the internal network selects a route for the packets based on the subnet ID and finds the destination host. Take subnet division of an IP address in Class B as an example. The subnet mask consists of a string of continuous 1s and 0s. The digit 1 corresponds to the network ID and subnet ID fields, while the digit 0 corresponds to the host ID field. The first 5 bits of the host ID is used as the subnet ID. The subnet ID ranges from 00000 to 11111, allowing a maximum of 32 (25) subnets. Each subnet ID has a subnet mask. For example, the subnet mask of the subnet ID 11111 is 255.255.248.0. After performing an AND operation on the IP address and the subnet mask, you can obtain the network address. Subnetting reduces the available IP addresses. For example, a Class B IP address contains 65534 (216 - 2) host IDs. After 5 bits in the host ID are used as the subnet ID, there can be a maximum of 32 subnets, each having an 11-bit host ID. Each subnet has a maximum of 2046 host IDs (211 - 2, excluding the host IDs with all 1s and all 0s). Therefore, the IP address has a maximum of 65472 (32 x 2046) host IDs, 62 less than the maximum number of host IDs before subnetting.

Can two network segments that cannot communicate with each other be configured for two network ports of the VCN3000?
No. There can be only one VCN3000 service IP address. The two service network ports can be configured to work in active/standby or load balancing mode and show the same service IP address.

S series switches enabled with SNMP achieve network management across network segments
S series switches (except S1700) can achieve network management across network segments as long as there are reachable routes.

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