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for profile 0 please see the configuration, be mindful of the core-tree config in xr
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https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/multicast/74x/b-mcast-cg-74x-ncs540/m-implementing-layer-3-multicast-router-ncs5xx.html#Cisco_Concept.dita_542f...
refer to figure 3 and 4 here for the 400G ports.
https://www.cisco.com/c/en/us/products/collateral/routers/asr-9000-series-aggregation-services-routers/datasheet-c78-743580.html
will need to configure the port as 400G as follows and reload the card...
please check the operations table, set ext comm is not supported under import vrf only inbound neighbor
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k_r6-1/routing/configuration/guide/b-routing-cg-asr9k-61x/b-routing-cg-asr9k-61...
to confirm the nexthop address is being received you should be able to see it in "show dhcp ipv4 client detail"
however in ios-xr the installation of a gateway of last resort is not available, you will need to manually configure the static route if o...
