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Cisco ONS 15454 Reference Manual, R7.0.1
OL-9217-01
Chapter 13 Management Network Connectivity
13.7 13.7.8 IP-over-CLNS Tunnels
Figure 13-27 IP-over-CLNS Tunnel Flow
13.7.8.1 Provisioning IP-over-CLNS Tunnels
IP-over-CLNS tunnels must be carefully planned to prevent nodes from losing visibility or connectivity.
Before you begin a tunnel, verify that the tunnel type, either Cisco IP or GRE, is supported by the
equipment at the other end. Always verify IP and NSAP addresses. Provisioning of IP-over-CLNS
tunnels in CTC is performed on the node view Provisioning > OSI > IP over CLNS Tunnels tab. For
procedures, refer to the “Turn Up a Node” chapter in the Cisco ONS 15454 Procedure Guide.
Provisioning IP-over-CLNS tunnels on Cisco routers requires the following prerequisite tasks, as well
as other OSI provisioning:
• (Required) Enable IS-IS
• (Optional) Enable routing for an area on an interface
• (Optional) Assign multiple area addresses
• (Optional) Configure IS-IS interface parameters
• (Optional) Configure miscellaneous IS-IS parameters
The Cisco IOS commands used to create IP-over-CLNS tunnels (CTunnels) are shown in Table 13-17.
131956
NE-D
SNMP
RMON
HTTP
FTP
Telnet
UDP
IPv4
GRE
Tunnel
LLC1
LAN
CLNP
LAPD
DCC
TCP
EMS
SNMP
RMON
HTTP
FTP
Telnet
UDP
IPv4
LLC1
LAN
TCP
NE-A (GNE)
IPv4
GRE
Tunnel
LLC1
LAN
CLNP
LAPD
DCC
NE-C
CLNP
LAPD
DCC
NE-B
CLNP
LAPD
DCC
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