Cisco Technology, Inc.

Tianpei Zhang

Ayaskant Pani

Sanjay Thyamagundalu

An inner packet configured with a multicast address and configured to perform a traceroute operation through a network is encapsulated to form an encapsulated packet. The encapsulated packet is sent into a network, the encapsulated packet being forwarded along a multicast tree of the network for the multicast address. A plurality of responses are received from a plurality of network nodes comprising the multicast tree, wherein each response comprises an indication of a node of the plurality of nodes that sends the response and an indication of a node from which the node sending the response received the encapsulated packet.

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Cupertino, CA, United States of America

Tianpei Zhang