High Availability Configurations; Vrrp High-Availability Using Multiple Virs - Lenovo RackSwitch G8264CS Application Manual

High Availability Configurations

VRRP High-Availability Using Multiple VIRs

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G8264CS Application Guide for ENOS 8.4
The following are possible scenarios using VRRP HA.
Figure 60 shows an example configuration where two G8264CSs are used as VRRP
routers in an active‐active configuration. In this configuration, both switches
respond to packets.
Figure 60. Active‐Active Configuration using VRRP
Internet
Enterprise
Routing Switch
Although this example shows only two switches, there is no limit on the number of
switches used in a redundant configuration. It is possible to implement an
active‐active configuration across all the VRRP‐capable switches in a LAN.
Each VRRP‐capable switch in an active‐active configuration is autonomous.
Switches in a virtual router need not be identically configured.
In the scenario illustrated in Figure
forwarded through the Layer 2 switch at the top of the drawing, and ingresses
G8264CS 1 on port 1. Return traffic uses default gateway 1 (192.168.1.1).
If the link between G8264CS 1 and the Layer 2 switch fails, G8264CS 2 becomes the
Master because it has a higher priority. Traffic is forwarded to G8264CS 2, which
forwards it to G8264CS 1 through port 4. Return traffic uses default gateway 2
(192.168.2.1), and is forwarded through the Layer 2 switch at the bottom of the
drawing.
VIR 1: 192.168.1.200 (Master)
VIR 2: 192.168.2.200 (Backup)
L2 Switch
1
Switch 1
2
4
4
1
Switch 2
2
L2 Switch
VIR 1: 192.168.1.200 (Backup)
VIR 2: 192.168.2.200 (Master)
60, traffic destined for IPv4 address 10.0.1.1 is
Server 1
NIC 1: 10.0.1.1/24
NIC 2: 10.0.2.1/24
Server 2
NIC 1: 10.0.1.2/24
NIC 2: 10.0.2.2/24
Server 3
NIC 1: 10.0.1.3/24
NIC 2: 10.0.2.3/24
Server 4
NIC 1: 10.0.1.4/24
NIC 2: 10.0.2.4/24