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Figure 6 : Reliable Ethernet Configuration for Redundant Pair VMA SAN Gateways
Configure Trunking on Ethernet Switches
Configure inter-switch trunking as desired between the two Ethernet switches used for connection
of the VMA SAN Gateway eth1 and eth2 ports. Inter-switch trunking will need to be configured so
that inter-gateway tagged VLAN traffic can flow between the connected switches.
For bonding of the two Ethernet ports, eth1 and eth2, on both gateways, the link aggregation mode
‘balance-rr’ is used in this example process since for most switches explicit port trunking for the
ports bonded using ‘balance-rr’ is not required and simpler to deploy. If you intend to use one of
the other possible gateway port link aggregation modes, then you will also need to configure
trunking of the ports connected to eth1 and eth2 of both VMA SAN Gateways accordingly. When
using two Ethernet switches (including any intervening switches) as recommended, if trunking of the
switch ports connecting to the gateways is required, then split trunking or distributed trunking will
need to be supported and configured on all Ethernet switches used.
Configure VLAN for Inter-Gateway Communication
The same bonded Ethernet ports on each VMA SAN Gateway will also be used for inter-gateway
communication and coordination. To provide for this, create a tagged VLAN which includes the
ports connected to the eth1 and eth2 Ethernet ports on each gateway. A tagged VLAN
configuration is used so that user gateway management requests and inter-gateway communication
can flow over the same physical gateway ports, while isolating multi-cast traffic between the paired
gateways.
In this example VMA SAN Gateway redundant pairing process VLAN14 is used, but any available
VLAN-ID can be used.
At this time, only the Ethernet ports eth1 and eth2 of the ‘primary’ gateway should be connected to
the appropriate switches; do not connect any Ethernet ports of the ‘secondary’ gateway to the
Ethernet switches. This will be done later in the process.
(178 pagine)
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