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Which adjacency server configuration makes two OTV edge devices located in the same site bring up the dual-site adjacency?





Answer(s): B

Explanation:

We need to setup a primary adjacency and a secondary adjacency. On primary, we need to setup 'otv-adjacency-server unicast-only' and on the secondary we need to configure 'otv use-adjacency-server <IP address from primary join interface> unicast only.



Refer to the exhibit.
The STP priority of N7K-1 and N7K-2 are the lowest in the network.
Which statement describes STP on the vPC?

  1. N7K-1 and N7K-2 appear as a single STP root.
  2. N7K-1 appears as the STP root.
  3. N7K-1 preempts N7K-2 as the STP root.
  4. N7K-2 appears as the STP root.

Answer(s): A

Explanation:

Peer-switch - Enables the vPC switch pair to appear as a single STP root in the Layer 2 topology. Use the no form of the command to disable the peer switch vPC topology. If both switches do not have peer-switch enable, the question is not informing the bridge-ID (mac-address + priority) to see which switch would be the root anyway.



The engineer must configure SPAN on a Cisco Nexus 5000 Series Switch to get a capture of the traffic from these applications for an in-depth packet analysis.
Which two SPAN characteristics must be considered? (Choose two.)

  1. SPAN source ports can be monitored in multiple SPAN sessions.
  2. The Ethernet, FC, vFC, port channel, SAN port channel can be used as SPAN source ports.
  3. A SPAN source port cannot be a destination SPAN port.
  4. Only Ethernet, FC, vFC, port channel port types can be used as SPAN source ports.
  5. The rx/tx option is available for VLAN or VSAN SPAN sessions.

Answer(s): B,C

Explanation:

A source port, also called a monitored port, is a switched interface that you monitor for network traffic analysis. The switch supports any number of ingress source ports (up to the maximum number of available ports on the switch) and any number of source VLANs or VSANs.
A source port has these characteristics:
* Can be of any port type: Ethernet, Fibre Channel, virtual Fibre Channel, port channel, SAN port channel, VLAN, and VSAN.
Cannot be monitored in multiple SPAN sessions.

* Cannot be a destination port.


Reference:

https://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli_rel_4_1/
Cisco_Nexus_5000_Series_Switch_CLI_Software_Configuration_Guide_chapter50.html



Host1 is in VLAN100 located in DataCenter1 and Host2 is in VLAN200 located in DataCenter2.
Which OTV VLAN mapping configuration allows Layer 2 connectivity between these two hosts?





Answer(s): B

Explanation:

You can map a VLAN on the local site to a VLAN with a different VLAN ID on the remote site. When you map two VLANs with different VLAN IDs across sites, they get mapped to a common VLAN called the transport VLAN. For example, when you map VLAN 1 on Site A to VLAN 2 on Site B, both VLANs are mapped to a transport VLAN. All traffic originating from VLAN 1 on Site A is translated as going from the transport VLAN. All traffic arriving at Site B from the transport VLAN is translated to VLAN 2.


Reference:

https://www.cisco.com/c/en/us/support/docs/switches/nexus-7000-series-switches/200998-Nexus-7000-OTV-VLAN-Mapping-on-Overlay.html? dtid=osscdc000283






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