If you see an E-resource tagged by this INSTITUTION logo, that means you can visit the E-resources' link without setting up VPN even from off-campus network.
If you visit from on-campus network, you will be directed to homepage of this E-resource directly.
If you visit from off-campus network, you will be directed to the Institutional Login page. Simply access this E-resource by entering username and password of your university account on the Institutional Login page.