# IS-IS Sample Hosts File
#
# IS-IS runs directly over Layer 2 (EtherType 0x00FE, LLC/SNAP framing),
# not over IP. VisualEther uses <mac-message> for native IS-IS, keying
# axes by Ethernet MAC addresses rather than IPs.
#
# This capture (Routing-ISIS-L1.pcapng) shows Level 1 IS-IS adjacency
# formation and database synchronization between two routers in area
# 49.0002:
#
#   R13 — SystemID 0000.0000.0013, MAC c2:05:18:fc:00:00, IP 10.0.2.1
#   R14 — SystemID 0000.0000.0014, MAC c2:03:18:fc:00:00, IP 10.0.2.2
#
# Area 49.0002 topology: R13 <-- 10.0.2.0/30 --> R14

# --- Routers (Layer 2 / MAC) ---
c2:05:18:fc:00:00    🖥 R13
c2:03:18:fc:00:00    🖥 R14

# --- Routers (Layer 3 / IP, used when IS-IS is tunneled over GRE) ---
10.0.2.1             🖥 R13
10.0.2.2             🖥 R14

# --- IS-IS Multicast (Layer 2) ---
# Standard IS-IS L1/L2/ES-IS multicast group addresses per ISO 10589
01:80:c2:00:00:14    📡 All L1 IS
01:80:c2:00:00:15    📡 All L2 IS
09:00:2b:00:00:04    📡 All ES (ES-IS)
09:00:2b:00:00:05    📡 All IS (ES-IS)

# --- DEC MOP / Ethernet Loopback ---
ab:00:00:02:00:00    📡 DEC MOP

# --- Broadcast ---
ff:ff:ff:ff:ff:ff    📡 Broadcast
