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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 showing tunnels between nodes. Includes tunnel ID, starting and destination nodes with IPs, bandwidth, type, priority, preemption value, current route, and comments. Example: Tunnel1 from ATL to BOS via ATL->WDC->CHI->DET with 0 bandwidth.

  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 city nodes like ATL and BOS connected by color-coded links for utilization. Includes a legend and route details 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.