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T Commands
This chapter describes the Cisco NX-OS FabricPath commands that begin with T.
topology
To configure fabricpath Operation, Administration, and Maintenance (OAM) service topology identifier, use the topology command in fabricpath OAM profile configuration mode. To remove the service topology, use the no form of this command.
Note
Cisco Nexus 5500 Series switch only supports 2 topologies; the default or base topology (topology 0), and another optional topology (for example, topology 1).
topology topology-id
no topology [topology-id]
Syntax Description
Command Default
Fabricpath OAM service topology identifier is not configured.
Command Modes
Fabricpath oam profile (config-fp-oam-profile)
Command History
Usage Guidelines
This command requires an Enhanced Layer 2 license.
Examples
This example shows how to configure a FabricPath IS-IS topology:
switch# configure terminalEnter configuration commands, one per line. End with CNTL/Z.switch(config)# fabricpath domain profileswitch(config-fabricpath-isis)# topology 15switch(config-fabricpath-isis)#Related Commands
traceroute fabricpath
To send a FP OAM Path Trace Request message to the egress switch ID, use the traceroute fabricpath command. To return to the default setting, use the no form of this command.
traceroute fabricpath switch-id switch-id [interface interface-id] [vlan vlan-id | tag tag-id ] [use-host-vlan] [verbose] [reply mode out-of-band { ipv4 ipv4-addr | ipv6 ipv6-addr}] [forward flow flow-entropy { l2 | l3 }] [hop hop-count] [topology topology-id] | [timeout timeout-value]
Syntax Description
Defaults
None
Command Modes
Privileged EXEC (#)
Command History
Usage Guidelines
For a synchronous ping, traceroute, or mtrace, if the profile has multiple interfaces, only the first interface is selected. Use the interface keyword to overwrite the selected interface. Only one session is created.
Examples
This example shows how to discover the route for FabricPath OAM packets:
switch# configure terminalEnter configuration commands, one per line. End with CNTL/Z.switch(config)# traceroute fabricpath switch-id 10Codes: '!' - success, 'Q' - request not sent, '.' - timeout,'D' - Destination Unreachable, 'X' - unknown return code,'V' - VLAN nonexistent, 'v' - VLAN in suspended state,'m' - malformed request, 'C' - Cross Connect Error,'U' - Unknown RBridge nickname, 'n' - Not AF,'M' -MTU mismatch, 'I' - Interface not in forwarding state,'S' - Service Tag nonexistent, 's' - Service Tag in suspended state,Type escape sequence to abort.0 5 Rcvd on Eth10/23, Next hop RBID - 10(fwd)[1ms]! 10 [1ms]This example shows how to discover the route for FabricPath OAM packets with for a specific switch ID when the keyword verbose is included:
Codes: '!' - success, 'Q' - request not sent, '.' - timeout,'D' - Destination Unreachable, 'X' - unknown return code,'V' - VLAN nonexistent, 'v' - VLAN in suspended state,'m' - malformed request, 'C' - Cross Connect Error,'U' - Unknown RBridge nickname, 'n' - Not AF,'*' - Success, Optional Tlv incomplete,'I' - Interface not in forwarding state,'S' - Service Tag nonexistent, 's' - Service Tag in suspended state,'c' - Corrupted Data/TestSender handle: 1Hop Code SwitchId Interface State TotalTime PathId DwnSwId Intf State===============================================================================1 ! 3570 Rcvd on Eth1/3 fwd 3ms!!!!!specify customer flow entropyThis example shows how to discover the route for FabricPath OAM packets with for a specific switch ID for forward flow:
Device# traceroute fabricpath switch-id 3570 forward flow00112222111100112222222281000000A8903Codes: '!' - success, 'Q' - request not sent, '.' - timeout,'D' - Destination Unreachable, 'X' - unknown return code,'V' - VLAN nonexistent, 'v' - VLAN in suspended state,'m' - malformed request, 'C' - Cross Connect Error,'U' - Unknown RBridge nickname, 'n' - Not AF,'*' - Success, Optional Tlv incomplete,'I' - Interface not in forwarding state,'S' - Service Tag nonexistent, 's' - Service Tag in suspended state,'c' - Corrupted Data/TestSender handle: 2Hop Code SwitchId Interface State TotalTime PathId============================================================1 ! 3570 Rcvd on Eth1/3 fwd 3ms!!!!Interactive traceroute with user specified layer 2 flow entropyThis example shows interactive traceroute with user specified layer 2 flow entropy:
switch# traceroute fabricpathSwitch-id(1-65535) [1] 3570Timeout in seconds [2]Extended command(y/n) [n] yOAM Profile(1-1023) [none]Interface [none]Ingress Interface [none]Forward Flow entropy [n] yForward Flow entropy type L2/L3 [L2]Forward Flow source mac address(aaaa.bbbb.cccc) [0001.ccaa.aabb]Forward Flow destination mac address(aaaa.bbbb.cccc) [0001.ccaa.3abb]Forward Flow vlan(vlan id or none) [1] 10Forward Flow stag(1-0xFFFFFF) [none]Forward Flow ether type [0x9100]Reverse Flow entropy [n]Reply mode out of band [n]Verbose [n]Hop count(1-63) [63]Topology id [0]Use host vlan [n]Vlan(vlan id or none) [1] 10Control path forward request [n]Control path reverse request [n]Codes: '!' - success, 'Q' - request not sent, '.' - timeout,'D' - Destination Unreachable, 'X' - unknown return code,'V' - VLAN nonexistent, 'v' - VLAN in suspended state,'m' - malformed request, 'C' - Cross Connect Error,'U' - Unknown RBridge nickname, 'n' - Not AF,'*' - Success, Optional Tlv incomplete,'I' - Interface not in forwarding state,'S' - Service Tag nonexistent, 's' - Service Tag in suspended state,'c' - Corrupted Data/TestSender handle: 3Hop Code SwitchId Interface State TotalTime PathId============================================================1 ! 3570 Rcvd on Eth1/3 fwd 3msRelated Commands
