300-170 · Question #107
When running Cisco NX-OS, which description of route leaking between VRFs is true?
The correct answer is D. VRF route leaking requires an Enterprise license. In Cisco NX-OS, advanced features like VRF route leaking, which enables route exchange between different Virtual Routing and Forwarding instances, necessitate the installation of an Enterprise license.
Question
When running Cisco NX-OS, which description of route leaking between VRFs is true?
Options
- ABy default the maximum number of IP prefixes that can be imported from the default VRF to a
- BRoute leaking can be restricted to specific routes by using a VASI interface.
- CRoute leaking is supported only between the default VRF and a non-default VRF.
- DVRF route leaking requires an Enterprise license.
How the community answered
(26 responses)- A4% (1)
- B4% (1)
- D92% (24)
Why each option
In Cisco NX-OS, advanced features like VRF route leaking, which enables route exchange between different Virtual Routing and Forwarding instances, necessitate the installation of an Enterprise license.
The default maximum number of IP prefixes that can be imported is not universally fixed or restricted solely from the 'default' VRF; specific configuration determines limits.
Route leaking between VRFs is not restricted to specific routes using a VASI (Virtual Access Switch Interface) interface; VASI interfaces are used for inter-VRF routing, but route leaking itself is controlled by route-maps and route targets.
Route leaking is supported between any configured VRFs, not just exclusively between the default VRF and a non-default VRF; it allows exchange between any pair or group of VRFs.
Implementing VRF route leaking, a feature that allows routes to be exchanged between different VRFs, requires an Enterprise license to be installed and enabled on Cisco NX-OS devices.
Concept tested: Cisco NX-OS VRF route leaking licensing
Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus7000/sw/nx-os/interfaces/config/b_Cisco_Nexus_7000_Series_NX-OS_Interfaces_Configuration_Guide_chapter_011.html#task_835252
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