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Viewing GRE Tunnels

  1. Select Network > Elements > Tunnels.

  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 TunnelsScreenshot of a network tool showing tunnels: ID, NodeA.ID, IP_A, NodeZ.ID, IP_Z, BW, Type, Pri, Pre, Current_Route, Co.

  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 with nodes labeled as city abbreviations like ATL and BOS connected by color-coded links indicating utilization levels. Legend shows utilization percentages. Bottom section displays detailed path info for ATL to BOS route including path names, interface info, IP addresses, tunnel types, and node IDs.

  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.