Limiting the Number of Hops the LSP Can Traverse

To limit CSPF to choosing a path consisting of no more than 20 hops for LSP tunnel1, complete the following steps.
  1. Enable the device for configuration.
    device# configure
  2. Enable the MPLS router.
    device(config)# router mpls
  3. Enable and configure the label switched path (LSP).
    device(config-router-mpls)# lsp tunnel1
    In this example, the selected LSP is named tunnel1 .
  4. Configure the limit number of hop the LSP can traverse.
    device(config-router-mpls-lsp-tunnel1)# hop-limit 20
    In this example the hop-limit is set to 20.

Example

the following example limits the CSPF to choosing a path of no more than 20 hops for LSP tunnel1.

device# configure terminal
device(config)# router mpls
device(config-router-mpls)# lsp tunnel1
device(config-router-mpls-lsp-tunnel1)# hop-limit 20