Ipv6 Lisp Etr Accept-Map-Request-Mapping - Cisco Nexus 7000 Series Command Reference Manual

ipv6 lisp etr accept-map-request-mapping

S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m .
ipv6 lisp etr accept-map-request-mapping
To configure an Egress Tunnel Router (ETR) to cache IPv6 mapping data contained in a Map-Request
message, use the ipv6 lisp etr accept-map-request-mapping command. To remove this functionality,
use the no form of this command.
Syntax Description
verify
None
Defaults
Global configuration mode
Command Modes
network-admin
Supported User Roles
vdc-admin
Command History Release
5.0(1.13)
When an ETR receives a Map-Request message, this message might contain mapping data for the
Usage Guidelines
invoking IPv4 source-EID packet. By default, the ETR ignores mapping data included in Map-Request
messages. However, by entering the ipv6 lisp etr accept-map-request-mapping command, the ETR
caches the mapping data in its map-cache and immediately uses it to forward packets.
When you use the optional verify keyword, the ETR still caches the mapping data but does not forward
packets until the ETR can send its own Map-Request to one of the locators from the mapping data record
and receive the same data in a Map-Reply message.
For security purposes, we recommend that you use the verify keyword. Unless you deploy the ETR and
Note
ITR in a trusted environment, you should use the optional verify keyword. In a trusted environment, if
you do not use the optional verify keyword, the new mapping occurs in one-half round-trip-time (RTT)
as compared with the normal Map-Request/Map-Reply exchange process.
When you enable and then later disable this command, you must enter the clear ipv6 lisp map-cache
command to clear any map-cache entries that are currently in the tentative state. Map-cache entries can
remain in the tentative state for up to one minute; therefore, you might want to clear these entries
manually when this command is removed.
Cisco Nexus 7000 Series NX-OS LISP Command Reference
LSP-84
ipv6 lisp etr accept-map-request-mapping [verify]
no ipv6 lisp etr accept-map-request-mapping [verify]
(Optional) Specifies that mapping data should be cached but not used for
forwarding packets until the ETR can send its own Map-Request to one of the
locators from the mapping data record and receive a Map-Reply with the same
data in response.
Modification
This command was introduced.
Cisco Nexus 7000 Series LISP Commands