| Rev | Author | # | Line |
|---|---|---|---|
| 1 | MattBrown | 1 | [ICMP] reason subcode 0x9, used with [ICMP] reason code 0x3 to explain why a DestinationUnreachable message was sent. |
| 2 | |||
| 3 | The router generating the message has been configured not to forward packets to the specified destination. |