Table 1 describes the default settings for IPv4 IS-IS.
| Parameter | Default Setting |
|---|---|
| IS-IS | Disabled |
| DIS priority | 64 |
| Device level | Level-1-2 |
| Interval for sending Hello packets | 10s |
| Minimum interval for sending LSPs | 50 ms |
| Maximum number of LSPs to be sent | 10 |
| Interval for updating LSPs | 900s |
| Maximum lifetime of LSPs | 1200s |
| Bandwidth reference value | 100 Mbit/s |