SwitchA XGE 0/0/1 VLANIF 10 10.1.1.1/24
SwitchA XGE 0/0/2 VLANIF 20 10.1.2.1/24
SwitchA XGE 0/0/3 VLANIF 50 172.16.1.1/24
SwitchB XGE 0/0/1 VLANIF 10 10.1.1.2/24
SwitchB XGE 0/0/2 VLANIF 30 192.168.0.1/24
SwitchC XGE 0/0/1 VLANIF 20 10.1.2.2./24
SwitchC XGE 0/0/2 VLANIF 40 192.168.1.1/24
SwitchD XGE 0/0/1 VLANIF 30 192.168.0.2/24
SwitchD XGE 0/0/2 VLANIF 40 192.168.1.2/24
SwitchD XGE 0/0/3 VLANIF 60 172.17.1.1/24
Configuration Roadmap
The configuration roadmap is as follows:
1. Enable basic IS-IS functions on each Switch so that the Switches can be interconnected.
2. Set the number of equal-cost routes to 1 to carry out load balancing, and check information
about the routing table.
3. Configure load balancing on SwitchA and check information about the routing table.
4. (Optional) Configure the preference for equal-cost routes on SwitchA.
Data Preparation
To complete the configuration, you need the following data:
l VLAN ID of each interface, as shown in Figure 6-6
l IP address of each VLANIF interface, as shown in Figure 6-6
l System ID, level, and area ID of each Switch
– Switch A: The system ID is 0000.0000.0001; the area ID is 10; the level is Level-2.
– Switch B: The system ID is 0000.0000.0002; the area ID is 10; the level is Level-2.
– Switch C: The system ID is 0000.0000.0003; the area ID is 10; the level is Level-2.
– Switch D: The system ID is 0000.0000.0004; the area ID is 10; the level is Level-2.
l Number of equal-cost routes for load balancing on Switch A: 1
l Load balancing mode on Switch A
l Weight for the preference of the equal-cost routes on Switch C: 1
Configuration Procedure
1. Configure the IDs of the VLANs to which the interfaces belong.
The configuration details are not mentioned here.
2. Assign IP addresses to VLANIF interfaces.
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 6 IS-IS Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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