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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Configuration Notes

Configuration Notes

This section provides the notes about configuring VRRP.

When configuring VRRP on the switch modules, pay attention to the following points:
  • VRRP groups on one interface must use different virtual IP addresses. The virtual IP address of a VRRP group must be on the same network segment as the IP address of the interface where the VRRP group is configured.
  • The devices in a VRRP group must be configured with the same VRID.
  • Different interfaces can be bound to the same VRRP group.
  • If both VRRP and static ARP are configured on a VLANIF interface on a device, an IP address mapped to a static ARP entry cannot be used as a virtual IP address. If a VRRP virtual IP address is an IP address mapped to a static ARP entry on the device, the device generates incorrect host routes, affecting traffic forwarding.
  • In mVRRP, if a device has a virtual IP address, the device does not support load balancing.
  • The direct route generated by the virtual IP address in a VRRP group can be imported by OSPF, IS-IS, and RIP. By default, this type of route can be advertised by OSPF, IS-IS, and RIP to the neighboring devices. In practice, a large number of routes may be generated by the virtual IP addresses in a VRRP group; if all of the routes are imported and advertised to the neighboring devices by OSPF, IS-IS, and RIP, there is a heavy load on some devices on the networks and the network performance is affected. In this situation, you can use the vrrp virtual-ip route-advertise disable command to disable OSPF, IS-IS, and RIP from advertising the routes generated by the virtual IP addresses in the VRRP group.
Updated: 2019-08-09

Document ID: EDOC1000041694

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