p# 1. Concepts
FCAPS:
- Fault Management: Detect, log and resolve network failures
- Configuration Management: Maintain and update device settings and network configurations
- Accounting Management: Track resource usage for optimization and billing
- Performance Management: Monitor network health and ensure optimal operation
- Secutiry Management: Protect network assets from threats and unauthorized access
2. IP
| Address Class | Range | Default Subnet Mask |
|---|---|---|
| A | 1.0.0.0 to 126.255.255.255 | 255.0.0.0 |
| B | 128.0.0.0 to 191.255.255.255 | 255.255.0.0 |
| C | 192.0.0.0 to 223.255.255.255 | 255.255.255 |
| D | 224.0.0.0 to 239.255.255.255 | Reserved for Multicasting |
| E | 240.0.0.0 to 254.255.255.255 | Experimental |
| We always have 3 reserved address: one for the network address (the first one), one for the broadcast address (the last one) and another for the default gateway |
Reserved ranges:
- 0.0.0.0/8: This network, this host
- 127.0.0.0/8: Loopback
- 169.254.0.0/16: Link local
- 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16: Private/NAT
- 224.0.0.0/4: Multicast
- FC00::/7: Unique Local Address