LOG 归档 - 第75页共139页

华为交换机ACL配置：限制不同网段互访实例

华为交换机高级 ACL 实战：用 acl 3001 搭配流分类、流行为、流策略限制研发部与市场部两个网段互访，涵盖高级 ACL 深度优先匹配顺序、基于时间段的访问限制、traffic-filter 与流策略写法对比、命中统计验证，以及 ACL 配置后不生效的四大原因排查思路。

admin 2026-09-09

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Junos Aggregated Ethernet (AE) and LACP Configuration

Configure aggregated Ethernet (ae) on Junos: chassis device-count, 802.3ad members, LACP active mode, VLAN trunking, IRB routing and show lacp verific

admin 2026-09-09

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Cisco MST Configuration: Region, Instance and VLAN Mapping

Configure MST (802.1s) on Cisco switches: region name, revision and VLAN-to-instance mapping, root priorities, PVST+ migration and region-split troubl

admin 2026-09-09

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Cisco IOS XR QoS: Class-Map, Policy-Map and Shaping Examples

Cisco IOS XR Modular QoS (MQC) on ASR 9000: class-maps, policy-maps with shape, police and priority actions, attachment, verification and troubleshoot

admin 2026-09-09

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Cisco IOS IP SLA Configuration: ICMP Echo and Track Objects

Configure Cisco IOS IP SLA ICMP echo probes and track objects for automatic failover: ip sla, icmp-echo, frequency, timeout and track verification.

admin 2026-09-09

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华为交换机端口安全配置：Sticky MAC与接入数量限制

华为交换机端口安全配置教程：在接入接口上使能 port-security、开启 Sticky MAC 并限制接口 MAC 学习数量，防止员工私接路由器与非法终端接入，附三类安全 MAC 地址对比、保护动作选择、端口组批量部署方法与常见报错排障步骤。

admin 2026-09-09

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ArubaOS-CX DHCP Snooping: Trusted Ports and VLAN Setup

Configure DHCP snooping on ArubaOS-CX: enable it per VLAN, trust uplinks and LAGs, verify MAC addresses, handle Option 82, fix clients with no lease.

admin 2026-09-09

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Dell OS10 Spanning-Tree: RSTP, Rapid-PVST and Root Bridge

Configure spanning-tree on Dell OS10: switch RSTP and Rapid-PVST modes, set root priority per VLAN, tune cost and BPDU Guard, verify with show spannin

admin 2026-09-09

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Junos CoS Configuration: Classifiers, Schedulers, Rewrite Rules

Configure Junos CoS step by step: DSCP classifiers, forwarding classes, schedulers, scheduler-maps, drop profiles and rewrite rules on MX and QFX.

admin 2026-09-09

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Arista EOS Spanning-Tree PortFast and BPDU Guard Setup

Arista EOS spanning-tree portfast edge ports and BPDU Guard: per-port and global configuration, errdisable recovery, root guard and verification.

admin 2026-09-09

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