[Arista] rename management interface in initrd #9856
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On some products the pci enumeration adds randomness into which nic gets initialized first. Because SONiC doesn't use deterministic interface naming but instead old style interface naming, this leads to eth0 not always being the management port. To make sure eth0 is always the management port (SONiC expectation) rename the interfaces in the initramfs for Arista products.
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prgeor
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Mar 21, 2022
Staphylo
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On some products the pci enumeration adds randomness into which nic gets initialized first. Because SONiC doesn't use deterministic interface naming but instead old style interface naming, this leads to eth0 not always being the management port. To make sure eth0 is always the management port (SONiC expectation) rename the interfaces in the initramfs for Arista products.
lguohan
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On some products the pci enumeration adds randomness into which nic gets initialized first. Because SONiC doesn't use deterministic interface naming but instead old style interface naming, this leads to eth0 not always being the management port. To make sure eth0 is always the management port (SONiC expectation) rename the interfaces in the initramfs for Arista products.
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Why I did it
On some products the pci enumeration adds randomness into which nic gets
initialized first.
Because SONiC doesn't use deterministic interface naming but instead old
style interface naming, this leads to eth0 not always being the
management port.
To make sure eth0 is always the management port (SONiC expectation)
rename the interfaces in the initramfs for Arista products.
How I did it
Rename interfaces in the initramfs based on kernel cmdline parameters
How to verify it
eth0 is the management port
Description for the changelog
Rename management interface to always be eth0 on Arista devices