Alteon Application Switch Operating System Application Guide
High Availability
Document ID: RDWR-ALOS-V2900_AG1302 547
9. Synchronize the SLB and VRRP configurations from Alteon 1 with Alteon 2.
Use the
/oper/slb/sync command (see Configuring VRRP Peers for Synchronization,
page 569).
IPv6 VRRP Configuration Examples
This section contains three IPv6 VRRP configuration examples covering hot standby, active-standby,
and active-active configurations. For background information on these VRRP configuration types, see
Failover Methods and Configurations, page 521
.
This section describes the following topics:
• Hot Standby Configuration, page 547
• Active-Standby Configuration, page 555
• Active-Active Configuration, page 561
Hot Standby Configuration
This configuration example illustrates a hot standby configuration between two Alteons. The
following are considerations for a IPv6 hot standby configuration:
• For Layer 2 (port and VLAN) configurations
— Each VLAN must be configured per interface.
— Client-side and server-side VLANs must also be members in an interswitch-link (ISL) port, or
have the ISL interface as the VRRP group interface.
— In a one-arm setup, the VR group can be configured using the ISL link. For more
information, see One Arm SLB Configuration, page 199
.
• For spanning tree group configurations
— The Spanning Tree Protocol must be turned off.
• Layer 3 interface and VRRP configurations
— In this example, tracking is performed by Layer 2 ports so that any failures on the master
result in a successful failover to the backup.
• Server Load Balancing
— Ports connected to the Alteon peer directly, or via a Layer 2 device, must have hot standby
(
/cfg/slb/port hot) enabled. ISL and other ports should not have hot standby enabled.
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