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DACS-NX AS40217 Type: Member Ports: 1 logical, 1 physical Capacity: 10G provisioned Unknown ⚠ 1 LAN hygiene issue

DACS-NX AS40217

Type: Member Ports: 1 logical, 1 physical Capacity: 10G provisioned
Unknown
PeeringDB ↗ Website ↗ Alice LG ↗
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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
  • lifetime 0s 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: 5c:5a:c7:aa:32:c9 · last heard 0 minutes ago · 22471 frames L2 · LAN events →
switch02.fmt01Port-Channel106 LAG 1×10G — No data
L2 Link Public
MAC addresses learned on port
5c:5a:c7:aa:32:c9
VLAN
998
Type
dynamic
First seen
2026-07-30
Last seen
0 minutes ago
L3 Network Public
Heard on the fabric · ARP/NDP
206.197.187.105
IPv4 · 2 MACs
1 event · history
5c:5a:c7:aa:32:c9 last 0 minutes ago
since 2026-07-30
d4:7f:35:03:e8:cc (stale) last 2 months, 4 weeks ago
since 2026-07-17
2001:504:30::ba04:217:1
IPv6
MAC
First seen
—
Last seen
—
L4+ Route Servers Public
Route Server State Uptime AF Received Accepted Rejected
BIRD/Linux Route Server ↗
206.197.187.105
 down 1m IPv4 — — 0
IPv6 — — 0
BIRD/Linux Route Server ↗
2001:504:30::ba04:217:1
 down 120d 18h IPv6 — — 0
Looking Glass Service ↗
206.197.187.105
 idle 25d 23h IPv4 — — 0
IPv6 — — 0
Looking Glass Service ↗
2001:504:30::ba04:217:1
 active 25d 23h IPv6 — — 0
OpenBGPD/OpenBSD Route Server ↗
206.197.187.105
 idle 128d 2h IPv4 — — 0
IPv6 — — 0
OpenBGPD/OpenBSD Route Server ↗
2001:504:30::ba04:217:1
 active 128d 2h IPv6 — — 0
Quarantine VLAN Looking Glass ↗
206.197.187.105
 connect 25d 23h IPv4 — — 0
IPv6 — — 0
Quarantine VLAN Looking Glass ↗
2001:504:30::ba04:217:1
 connect 25d 23h IPv6 — — 0
BIRD/Linux Route Server ↗ down
v4 0/0/0
BIRD/Linux Route Server ↗ down
v6 0/0/0
Looking Glass Service ↗ idle
v4 0/0/0
Looking Glass Service ↗ active
v6 0/0/0
OpenBGPD/OpenBSD Route Server ↗ idle
v4 0/0/0
OpenBGPD/OpenBSD Route Server ↗ active
v6 0/0/0
Quarantine VLAN Looking Glass ↗ connect
v4 0/0/0
Quarantine VLAN Looking Glass ↗ connect
v6 0/0/0