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Fortinet AS40934 Type: Member Ports: 1 logical, 1 physical Capacity: 10G provisioned Unknown ⚠ 1 LAN hygiene issue

Fortinet AS40934

Type: Member Ports: 1 logical, 1 physical Capacity: 10G provisioned
Unknown
⛔
Sending IPv6 Router Advertisement into the exchange LAN critical
Advertises this router as a default gateway to every other member on the exchange (free transit / traffic hijack).
  • lifetime 1800s prefix 2001:504:30::/64
How to fix
  • Arista: ipv6 nd ra disabled all
  • Cisco: ipv6 nd ra suppress all
  • Junos: delete protocols router-advertisement interface <ifl>
  • RouterOS: /ipv6 nd set [find] disabled=yes
  • Linux: stop radvd on the IX interface
Source MAC: c8:47:09:a4:48:db · last heard 0 minutes ago · 21976 frames L2 · LAN events →
switch01.scl05Port-Channel100 LAG 1×10G — No data
L2 Link Public
MAC addresses learned on port
c8:47:09:a4:48:db
VLAN
998
Type
dynamic
First seen
2026-06-18
Last seen
0 minutes ago
L3 Network Public
Heard on the fabric · ARP/NDP
206.197.187.55
IPv4
MAC
c8:47:09:a4:48:db
First seen
2026-06-19
Last seen
13 minutes ago
2001:504:30::ba04:934:1
IPv6
MAC
c8:47:09:a4:48:db
First seen
2026-06-19
Last seen
11 minutes ago
L4+ Route Servers Public
Route Server State Uptime AF Received Accepted Rejected
BIRD/Linux Route Server ↗
206.197.187.55
up 63d 2h IPv4 6 6 0
IPv6 — — 0
BIRD/Linux Route Server ↗
2001:504:30::ba04:934:1
up 63d 2h IPv6 — — 0
Looking Glass Service ↗
206.197.187.55
established 25d 23h IPv4 6 — 0
IPv6 — — 0
Looking Glass Service ↗
2001:504:30::ba04:934:1
established 25d 23h IPv6 — — 0
OpenBGPD/OpenBSD Route Server ↗
206.197.187.55
established 63d 2h IPv4 6 — 0
IPv6 — — 0
OpenBGPD/OpenBSD Route Server ↗
2001:504:30::ba04:934:1
established 63d 2h IPv6 — — 0
Quarantine VLAN Looking Glass ↗
206.197.187.55
connect 25d 23h IPv4 — — 0
IPv6 — — 0
Quarantine VLAN Looking Glass ↗
2001:504:30::ba04:934:1
connect 25d 23h IPv6 — — 0