Dell Brocade G620 Brocade 8.0.1 Fabric OS Troubleshooting and Diagnostics Guid - Page 32
Routing and statistical information, across remote fabrics
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General Troubleshooting Routing and statistical information The pathInfo command displays routing and statistical information from a source port index on the local switch to a destination port index on another switch. This routing information describes the full path that a data stream travels between these ports, including all intermediate switches. ATTENTION Using the pathInfo command when exchange-based routing is turned on can provide different paths with each attempt. The routing and statistics information are provided by every switch along the path, based on the current routing-table information and statistics calculated continuously in real time. Each switch represents one hop. Use the pathInfo command to display routing information from a source port on the local switch to a destination port on another switch. The command output describes the exact data path between these ports, including all intermediate switches. When using the pathInfo command in Fabric OS v6.3.0 across fabrics connected through an FC router, the command represents backbone information as a single hop. The command captures details about the FC router to which ingress and egress EX_Ports are connected, but it hides the details about the path the frame traverses from the ingress EX_Ports to the egress EX_Ports in the backbone. To use pathInfo across remote fabrics, you must specify both the fabric ID (FID) and the domain ID of the remote switch. Optionally, you can specify the source PID and destination PID. You cannot use the pathInfo command to obtain source port information across remote FCR fabrics. When obtaining path information across remote fabrics, the destination switch must be identified by its domain ID. Identifying the switch by name or WWN is not accepted. Use the pathInfo command to display basic path information to a specific domain in command line mode: switch:admin> pathinfo 5 Hop In Port Domain ID (Name) Out Port BW Cost 0 2 1 (sw0) 6 4G 500 1 23 2 (sw0) 8 4G 500 2 4 3 (sw0) 3 4G 500 3 12 4 (sw0) 18 4G 10000 4 4 7 (switch_3) 0 4G 500 5 26 5 (switch_3) E - - Use the pathInfo command to display basic and extended statistics in interactive mode: switch:admin> pathinfo Max hops: (1..127) [25] Fabric Id: (1..128) [-1] Domain|Wwn|Name: [] 8 Source port: (0..15) [-1] Destination port: (0..255) [-1] Source pid: (0x0..0xefff00) [ffffffff] 0x061600 Desination pid: (0x0..0xefff00) [0] 0x01f001 Basic stats (yes, y, no, n): [no] y Extended stats (yes, y, no, n): [no] y Trace reverse path (yes, y, no, n): [no] Source route (yes, y, no, n): [no] Timeout: (1000..30000) [10000] Target port is Embedded Hop In Port Domain ID (Name) Out Port BW Cost 0 2 1 (sw0) 6 4G 500 1 23 2 (sw0) 8 4G 500 2 4 3 (sw0) 3 4G 500 3 2 4 (sw0) 24 4G 10000 4 3 7 (switch_3) 2 4G 500 5 27 5 (switch_3) 24 - - Reverse path 6 24 5 (switch_3) 27 4G 500 7 2 7 (switch_3) 3 4G 500 Brocade Fabric OS Troubleshooting and Diagnostics Guide 32 53-1004126-01