25 Dell EMC Networking with Isilon Front-End Deployment and Best Practices Guide | version 1.0
First, set the hostname, configure the OOB management interface and default gateway. Enable RSTP as a
precaution against creating a networking loop. S4048-Leaf 1 is configured as the primary RSTP root bridge
using the bridge-priority 0 command. S4048-Leaf 2 is configured as the secondary RSTP root bridge using
the bridge-priority 4096 command. This ensures that leaf 1 will always be the root bridge. The no iscsi
enable command is issued to ensure that iSCSI snooping is disabled.
configure terminal
hostname S4048-Leaf1
interface mgmt 1/1/1
no ip address dhcp
ip address 100.67.170.15/24
management route 0.0.0.0/0 100.67.170.254
no iscsi enable
spanning-tree mode rstp
spanning-tree rstp priority 0
configure terminal
hostname S4048-Leaf2
interface mgmt 1/1/1
no ip address dhcp
ip address 100.67.170.14/24
management route 0.0.0.0/0 100.67.171.254
no iscsi enable
spanning-tree mode rstp
spanning-tree rstp priority 4096
Configure the VLT interconnect between S4048-Leaf1 and S4048-Leaf2. In this configuration, remove each
interface from layer 2 mode with the no switchport command for interfaces eth 1/1/53-1/1/54. Once this is
done, create the VLT domain, add the backup destination, and add the interfaces participating in VLTi.
Finally, enable VLT peer routing on each switch. Once VLT is enabled, it will dynamically change the MTU
settings for the VLTi to a value of 9216. Isilon’s OneFS supports and recommends the use of jumbo frames.
Note: Refer to Isilon Network Design Considerations for more information on specific protocols as they
relate to OneFS.
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