Cisco LISP Infrastructure Device
Question
Which LISP infrastructure device provides connectivity between non-LISP sites and LISP sites by receiving non-LISP traffic with a LISP site destination?
Answers
Explanations
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https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/DCI/5-0/LISPmobility/DCI_LISP_Host_Mobility/LISPmobile_2.htmlLISP (Locator/ID Separation Protocol) is a protocol used to separate location and identity information in IP addressing. This allows for more efficient routing and scaling of the network.
When implementing LISP, there are several infrastructure devices that are used to provide connectivity between LISP and non-LISP sites. One of these devices is the Proxy Ingress Tunnel Router (PITR).
The PITR is responsible for receiving non-LISP traffic with a LISP site destination and forwarding it to the appropriate destination site. It does this by encapsulating the non-LISP traffic in a LISP tunnel and forwarding it to the appropriate Egress Tunnel Router (ETR) at the LISP site.
The PITR also performs the reverse operation for traffic coming from a LISP site to a non-LISP site. It receives LISP traffic, decapsulates it, and forwards it to the appropriate destination outside of the LISP domain.
In summary, the PITR is a LISP infrastructure device that provides connectivity between non-LISP sites and LISP sites by receiving non-LISP traffic with a LISP site destination and forwarding it to the appropriate ETR.
