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BGP Route Flap Damping Explained: Penalty and Timer Tuning

BGP Route Flap Damping Explained: Penalty and Timer Tuning

RIPE-580 in practice: why the default suppress threshold fails, how to compute the maximum penalty, and step-by-step IOS and Junos tuning.

admin admin 2026-09-08
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Junos monitor traffic: Packet Capture Examples

Junos monitor traffic: Packet Capture Examples

Junos packet capture with monitor traffic and forwarding-options sampling: filters, counters, pcap retrieval and Wireshark analysis of the file.

admin admin 2026-09-07
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Junos Rescue Configuration: Save and Recover Quickly

Junos Rescue Configuration: Save and Recover Quickly

Save and restore the Junos rescue configuration: request system configuration rescue save, rollback rescue, automatic recovery at boot and off-box cop

admin admin 2026-09-07
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Junos Port Security: MAC Limit and Allowed MAC Configuration

Junos Port Security: MAC Limit and Allowed MAC Configuration

Junos port security on EX and QFX: configure mac-limit and allowed-mac, pick drop, log or shutdown actions, and recover a port stuck in error.

admin admin 2026-09-07
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SNMPv3 Configuration on Cisco IOS and Junos: authPriv Setup

SNMPv3 Configuration on Cisco IOS and Junos: authPriv Setup

Configure SNMPv3 authPriv on Cisco IOS and Juniper Junos: security levels, USM users, views, VACM access, engine IDs and snmpwalk verification command

admin admin 2026-09-06
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Junos Firewall Filters: Terms, Match Conditions and Actions

Junos Firewall Filters: Terms, Match Conditions and Actions

Junos firewall filter configuration: terms, from match conditions and then actions, loopback filters, counters, the implicit discard and verification.

admin admin 2026-09-06
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Junos User Accounts: Login Classes, SSH Keys and Root Auth

Junos User Accounts: Login Classes, SSH Keys and Root Auth

Create Junos OS user accounts with login classes and permissions, plain-text versus encrypted passwords, SSH public keys and root authentication.

admin admin 2026-09-05
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Junos VRRP Configuration: VIP, Priority and Accept-Data

Junos VRRP Configuration: VIP, Priority and Accept-Data

Configure Junos VRRP step by step: vrrp-group under the interface address, virtual-address and priority, accept-data, preempt and interface tracking.

admin admin 2026-09-05
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Junos OSPF Configuration: Areas, Interfaces and Verification

Junos OSPF Configuration: Areas, Interfaces and Verification

Configure OSPF on Junos OS: single-area and multiarea design with ABRs, stub and NSSA areas, router-id, redistribution and verification commands.

admin admin 2026-09-05
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Junos Storm Control Configuration for BUM Traffic

Junos Storm Control Configuration for BUM Traffic

Protect Junos EX and QFX switches from storms: configure storm control profiles, bandwidth levels, shutdown and autorecovery actions, plus verificatio

admin admin 2026-09-04
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