Router Configuration Reference Part 2

Traffic Filtering & Security

• Filters / Access Control
  • Access Control Lists (ACLs)
  • Firewall filter rules
  • Source and destination filtering
  • Port-based traffic filtering
  • Anti-spoofing policies
  • ICMP control
  • Management access restrictions
  • Traffic protection against unauthorized access

Route Filtering & Policy Control

• Prefix Lists
• Route Maps / Routing Policies
• AS Path Filters
• Community-based routing policies
• Import and export route filters
• Bogon and private ASN filtering

Interface Configuration

• Physical Ethernet interfaces
• VLAN interfaces (802.1Q)
• Trunk and Access port configuration
• Interface descriptions and labeling
• MTU configuration
• Speed and duplex settings
• Interface monitoring

Infrastructure Services

• DNS configuration
• NTP synchronization
• SNMP monitoring
• Syslog remote logging
• SSH secure management access
• User account and privilege management

Change Management

• Configuration backup before deployment
• Configuration validation after implementation
• Documentation updates
• Rollback procedures
• Post-change monitoring and verification