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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 between nodes with columns for 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 showing nodes representing cities like ATL, BOS, NYC connected by color-coded links indicating utilization levels. Below, path details for ATL to BOS include path names like LINK14, interface info like pos0/3, IP addresses like 10.10.68.1, tunnel types like RWDCBOS, and destination nodes like WDC.

  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.