Dear Umesh, The easy way on understanding or usage of secondary IP. 1>
There may not be enough host addresses for a particular network segment.
For example, your subnetting allows up to 254 hosts per logical subnet,
but on one physical subnet you nee...
You have to share more details on the design to tell you more 1> IP
addressing scheme/ VLAN details. 2> Are the same VLAN's are already
available in Site2 , as from the diagram it seems you can have same
vlans extended being connected in same cores. ...
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