© 2006 Cisco Systems, Inc. All rights reserved.
Cisco Confidential
Presentation_ID
3
IPv6 via IPv4 Service Provider Networks
§
6to4 (RFC3056) was designed to offer IPv6
connectivity for sites who could not obtain IPv6 from
their Service Provider
§
6rd adapts 6to4 for Service Providers to deliver IPv6 via
their IPv4 Network