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Active multicast receiver entries are aging on each IGMP query sent on the VLAN (A): When IGMP snooping querier is enabled on a VLAN, it functions to manage multicast traffic within the VLAN by keeping track of multicast group memberships. The IGMP querier sends queries to determine which ports require the multicast traffic. The multicast receiver entries, which are entries that indicate which devices have requested the multicast data, age or time out based on these IGMP queries. Each query refreshes active connections but ages out entries that no longer respond, helping to ensure that multicast traffic is only sent to ports with active receivers.

The two reasons why port1 can be shut down are loop guard protection and Spanning Tree Protocol (STP).

Loop guard protection:This is a feature that helps to prevent switching loops in a network.expand_more A loop guard can be configured on a port to monitor for specific traffic patterns that indicate a loop. If loop guard protection detects a loop, it will shut down the port to prevent the loop from causing problems.

STP:STP is a protocol that helps to prevent switching loops.expand_more When multiple paths exist between two network devices, STP will block all but one of the paths, creating a loop-free topology.expand_more If STP detects a loop, it will shut down the ports that are involved in the loop.

In the exhibit, both ports 1 and 2 are configured with the same native VLAN 10. This configuration could create a switching loop if both ports are connected to devices on the same network segment. If a loop occurs, loop guard protection or STP could shut down port1 to prevent the loop from causing problems.

References:

Fortinet FortiSwitch 7.2 Administration Guidehttps://docs.fortinet.com/document/fortigate/7.4.3/administration-guide/954635/getting-started

To enable SNMP v2c on a managed FortiSwitch, the essential requirement involves configuring the SNMP agent and community strings:

Configure SNMP Agent and Communities (D):

SNMP Agent:Activating the SNMP agent on FortiSwitch allows it to respond to SNMP requests.

Community Strings:SNMP v2c uses community strings for authentication. These strings function as passwords to grant read-only or read-write access to the SNMP data.

Understanding Other Options:

Create an SNMP user (A)is necessary for SNMP v3, not v2c, as it involves user-based authentication and encryption.

Specify an SNMP host (B)is typically a part of SNMP configuration but not a requirement just to enable SNMP.

Enable SNMP v3 (C)is not related to enabling SNMP v2c.

References:For detailed instructions on configuring SNMP on FortiSwitch, you can refer to the SNMP configuration section in the FortiSwitch administration guide available on:Fortinet Product Documentation

It provides benefits that can be obtained when using 802.1X authentication (C): MAC, IP, and protocol-based VLANs on FortiSwitch are beneficial in network environments where additional granularity is needed in traffic segmentation and security, similar to what can be achieved through 802.1X authentication. These VLAN types allow for dynamic assignment of ports to VLANs based on the characteristics of the incoming traffic, enhancing both security and network efficiency.

To deploy FortiSwitch in a remote location with multiple VLANs and no Layer 3 switch or router, you would need specific configurations:

VXLAN Interfaces (B):

Purpose:VXLAN (Virtual Extensible LAN) allows network segmentation without a Layer 3 device, extending VLAN capabilities across dispersed geographical locations over the WAN.

Implementation:Configuring VXLAN on both FortiSwitch and FortiGate can encapsulate Layer 2 traffic over a Layer 3 network, making it ideal for scenarios lacking dedicated routing hardware.

Appropriate Hardware (D):

Requirement:Not all FortiSwitch models might support advanced features like VXLAN; hence, ensuring that the hardware can support such configurations is crucial.

References:For specific information on VXLAN configuration and hardware requirements, refer to the technical documentation provided by Fortinet:Fortinet Product Documentation

The native VLAN is implicitly part of the allowed VLAN on the port (C): On a managed FortiSwitch port, the native VLAN, which is the VLAN assigned to untagged traffic, is implicitly included in the list of allowed VLANs. This means it does not need to be explicitly specified when configuring VLAN settings on the port. This configuration simplifies VLAN management and ensures that untagged traffic is handled correctly without additional configuration steps.