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Cisco ONS 15600 Reference Manual, R7.2
Chapter 9 Management Network Connectivity
9.7.8 IP-over-CLNS Tunnels
Figure 9-26 IP Over CLNS Tunnel Scenario 1: ONS NE to Other Vender GNE
9.7.8.3 IP-Over-CLNS Tunnel Scenario 2: ONS Node to Router
Figure 9-27 shows an IP-over-CLNS tunnel from an ONS node to a router. The other vendor NE has an
OSI connection to a router on an IP DCN, to which a CTC computer is attached. An OSI-only (LAP-D)
SDCC is created between the ONS NE 1 and the other vender GNE. The OSI over IP tunnel can be either
the Cisco IP tunnel or a GRE tunnel, depending on the tunnel types supported by the router.
IP-over-CLNS tunnel on ONS NE 1:
•
Destination: 10.10.30.10 (Router 1, Interface 0/1)
•
Mask: 255.255.255.255 for host route (Router 1 only), or 255.255.255.0 for subnet route (all routers
on the same subnet)
•
NSAP: 39.840F.80.1111.0000.1111.1111.bbbbbbbbbbbb.00 (Router 1)
•
Metric: 110
•
Tunnel Type: Cisco IP
134355
CTC 1
10.10.10.100/24
IP
DCN
IP/OSI
Vendor GNE
10.10.30.20/24
39.840F.80. 111111.0000.1111.1111.cccccccccccc.00
ONS NE 1
10.10.30.30/24
39.840F.80. 111111.0000.1111.1111.dddddddddddd.00
Other vendor
NE
OSI
OSI-only
DCC (LAPD)
GRE tunnel
OSI
Router 2
Interface 0/0: 10.10.10.10/24
Interface 0/1: 10.10.20.10/24
39.840F.80.111111.0000.1111.1111.aaaaaaaaaaaa.00
Router 1
Interface 0/0: 10.10.20.20/24
Interface 0/1: 10.10.30.10/24
39.840F.80. 111111.0000.1111.1111.bbbbbbbbbbbb.00