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Viewing GRE Tunnels

  1. Select Network > Elements > Tunnels... in View or Design mode.

  2. To filter for all GRE tunnels, click the Filter icon and type GRE in the Type field. (Alternatively, filter on “Type=GRE” in the Advanced Filter).

    Figure 1: Filtered GRE TunnelsNetwork management tool screenshot displaying tunnel details: ID, NodeA ID, IP A, NodeZ ID, IP Z, Bandwidth, Tunnel Type, Priority, Preemption, Current Route, and Additional Info.

  3. Select the GRE tunnel to view and then click Show Path to view its path.

    Figure 2: GRE Tunnel routed over LSP TunnelNetwork topology map showing nodes labeled with city abbreviations like ATL and BOS, connected by color-coded links for utilization. Legend indicates utilization levels from green to red. Network cost is 18 OC3 links. Paths window displays detailed network path info from ATL to BOS.

  4. Note that a tunnel itself can route over a tunnel (in this case, an LSP tunnel). The portion that travels over another tunnel is colored in purple.