IS-IS is deployed on backbone networks; OSPF is deployed on MANs. OSPF is more suitable for MAN services in terms of the protocol itself. OSPF VPN extension can prevent loops on VPNs by default. You can also configure OSPF VPN extension not to prevent loops on VPNs. In this manner, you can configure MCE to isolate routes.
Notice: To protect the legitimate rights and interests of you, the community, and third parties, do not release content that may bring legal risks to all parties, including but are not limited to the following:
Politically sensitive content
Content concerning pornography, gambling, and drug abuse
Content that may disclose or infringe upon others ' commercial secrets, intellectual properties, including trade marks, copyrights, and patents, and personal privacy
Do not share your account and password with others. All operations performed using your account will be regarded as your own actions and all consequences arising therefrom will be borne by you. For details, see " User Agreement."