Brocade Multi-Service IronWare Administration Guide (Supporting R05.6.00) - Manual (Page 221)

Multi-Service IronWare Administration Guide 203
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Trace-l2 protocol
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Example
Brocade# traceroute vrf blue 10.10.10.10
Syntax: traceroute vrf vrf-name ip-address
The vrf vrf-name parameter is the name of the VRF for you want are running the traceroute.
The vrf ip-address parameter is the IP address containing the VRF that you want to conduct a
traceroute to.
Executing traceroute IPv6
NOTE
An IPv6 traceroute to an IPv6 local link address is not supported.
The traceroute ipv6 command traces a path from a device that supports IPv6 to an IPv6 host.
The CLI displays trace route information for each hop as soon as the information is received.
Traceroute requests display all responses to a minimum TTL of 1 second and a maximum TTL of 30
seconds. In addition, if there are multiple equal-cost routes to the destination, the device displays
up to three responses.
Example
To trace the path from the device to a host with an IPv6 address of 2001:db8:349e:a384::34,
enter the following command.
Brocade> traceroute ipv6 2001:db8:349e:a384::34
Syntax: traceroute ipv6 ipv6-address
The ipv6-address parameter specifies the address of an IPv6 host. You must specify this address in
hexadecimal using 16-bit values between colons.
Trace-l2 protocol
Trace-l2 traces introduces a new proprietary protocol that traces the traffic path to a specified
device in a VLAN. Also, it can be used to probe all reachable paths to all devices in a VLAN. It does
the following:
• Traces a particular IP, MAC or hostname in a VLAN.
• Probes the entire Layer 2 topology.
• Displays the input or output ports of each hop in the path.
• Displays the round trip travel time of each hop.
• Displays hops in a VLAN that form a loop.
• Displays each hop's Layer 2 protocol such as STP, RSTP, 802.1w, SSTP, metro ring, or
route-only.
The resulting trace displays a report that provides information about a packet’s path to a device,
such as hop and port information and travel time. It also can locate any Layer 2 loop in a VLAN. The
probed Layer 2 information is discarded when a new trace-l2 command is issued again.