Switching 归档 - 夜莺博客

标签：Switching

Juniper EX Virtual Chassis Configuration: Step-by-Step CLI Guide

Juniper EX Virtual Chassis Configuration: Step-by-Step CLI Guide

Build a Juniper EX Virtual Chassis from scratch: preprovisioning members, VCP cabling, mastership priority, mixed modes and verification commands.

admin admin 2026-09-10
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QoS Trust Boundary and DSCP Marking on Cisco Switches

QoS Trust Boundary and DSCP Marking on Cisco Switches

Design the QoS trust boundary on Cisco access switches: where to trust CoS or DSCP, mark with MQC, map COS-to-DSCP and verify with show commands.

admin admin 2026-09-10
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PoE Standards Explained: 802.3af, 802.3at, 802.3bt PoE++

PoE Standards Explained: 802.3af, 802.3at, 802.3bt PoE++

Compare PoE standards 802.3af (Type 1), 802.3at (PoE+) and 802.3bt (PoE++): per-port watts, power classes, cable loss and switch budget planning.

admin admin 2026-09-10
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IGMP Snooping Configuration on Cisco Switches (CLI Guide)

IGMP Snooping Configuration on Cisco Switches (CLI Guide)

Enable and verify IGMP snooping on Cisco switches: per-VLAN settings, mrouter static ports, querier election, immediate-leave tuning and show commands

admin admin 2026-09-10
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