Technical Justification
Connectivity failure (Error 806) was caused by a firewall restriction on the GRE protocol at the user’s location. The solution involved bypassing protocol filters by routing traffic through an SSL-VPN tunnel via Port 443.
Trouble Ticket: Official Incident Form
| Section I: User & System Information | |
|---|---|
| Full Name | Marcus Jensen |
| Employee ID | MJF-7294-D |
| Location | Frankfurt International Airport (Germany) |
| Section II: Incident Details | |
| Device/Service | Remote Access VPN (Cisco AnyConnect) |
| Error Code | 806 |
| Problem Description | VPN connection times out before a secure tunnel can be established. |
| Environment | Public Restricted Network (Airport Wi-Fi) |
| Section III: Diagnosis & Resolution | |
| Root Cause | Firewall blockage of GRE Protocol (IP 47). Public hotspots commonly restrict this protocol for security reasons. |
| Action Taken | Provisioned access through an SSL-VPN gateway. Instructed user to update gateway settings to bypass protocol filters via Port 443. |
| New Gateway IP | 10.0.85.1 |
| Current Status | Resolved |
NATO Phonetic Reference
A Alpha
B Bravo
C Charlie
D Delta
E Echo
F Foxtrot
G Golf
H Hotel
I India
J Juliett
K Kilo
L Lima
M Mike
N November
O Oscar
P Papa
Q Quebec
R Romeo
S Sierra
T Tango
U Uniform
V Victor
W Whiskey
X X-ray
Y Yankee
Z Zulu
Moodle Learning Activity
EXERCISE: International Help Desk – Case #806
