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Cisco ONS 15600 SDH Procedure Guide, R8.0
October 2007
Chapter18 DLPs F300 to F399
DLP- F375 Delete an IP-Over-CLNS Tunnel
Caution Changing the IP or NSAP addresses or an IP-over-CLNS tunnel can cause loss of NE visibility or NE
isolation. Do not change network addresses until you verify the changes with your network
administrator.
Step1 Click the Provisioning > OSI > Tunnels tabs.
Step2 Click Edit.
Step3 In the Edit IP Over OSI Tunnel dialog box, complete the following fields:
•Tunnel Type—Edit the tunnel type:
–
Cisco—Creates the proprietary Cisco IP tunnel. Cisco IP tunnels add the CLNS header to the
IP packets.
–
GRE—Creates a Generic Routing Encapsulation tunnel. GRE tunnels add the CLNS header and
a GRE header to the IP packets.
The Cisco proprietary tunnel is slightly more efficient than the GRE tunnel because it does not add
the GRE header to each IP packet. The two tunnel types are not compatible. Most Cisco routers
support the Cisco IP tunnel, while only a few support both GRE and Cisco IP tunnels. You generally
should create Cisco IP tunnels if you are tunneling between two Cisco routers or between a Cisco
router and an ONS node.
Caution Always verify that the IP-over-CLNS tunnel type you choose is supported by the equipment at the other
end of the tunnel.
•Node Address—Enter the IP address of the IP-over-CLNS tunnel destination.
•Subnet Mask—Enter the IP address subnet mask of the IP-over-CLNS destination.
•OSPF Cost—Enter the OSPF cost for sending packets across the IP-over-CLNS tunnel. The OSPF
cost is used by OSPF routers to calculate the shortest path. The default is 110. Normally, it is not be
changed unless you are creating multiple tunnel routes and want to prioritize routing by assigning
different metrics.
•NSAP—Enter the destination NE or OSI router NSAP address.
Step4 Click OK.
Step5 Return to your originating procedure (NTP).
DLP-F375 Delete an IP-Over-CLNS Tunnel
Purpose This task allows you to delete an IP-over-CLNS tunnel.
Tools/Equipment None
Prerequisite procedures DLP-F181 Log into CTC, page 16-34
Required/As needed As needed
Onsite/Remote Onsite or remote
Security Level Provisioning or higher