Cisco 3020 - Catalyst Blade Switch Command Reference Manual page 549

Chapter 2 Cisco Catalyst Blade Switch 3020 for HP Cisco IOS Commands
Examples This example shows how to display the Layer 2 path by specifying the source and destination MAC
addresses:
Switch# traceroute mac 0000.0201.0601 0000.0201.0201
Source 0000.0201.0601 found on con6[WS-CBS3020-HP] (2.2.6.6)
con6 (2.2.6.6) :Gi0/21 => Gi0/23
con5
con1
con2
Destination 0000.0201.0201 found on con2[WS-C3550-24] (2.2.2.2)
Layer 2 trace completed
This example shows how to display the Layer 2 path by using the detail keyword:
Switch# traceroute mac 0000.0201.0601 0000.0201.0201 detail
Source 0000.0201.0601 found on con6[WS-CBS3020-HP] (2.2.6.6)
con6 / WS-CBS3020-HP / 2.2.6.6 :
con5 / WS-C2950G-24-EI / 2.2.5.5 :
con1 / WS-C3550-12G / 2.2.1.1 :
con2 / WS-C3550-24 / 2.2.2.2 :
Destination 0000.0201.0201 found on con2[WS-C3550-24] (2.2.2.2)
Layer 2 trace completed.
This example shows how to display the Layer 2 path by specifying the interfaces on the source and
destination switches:
Switch# traceroute mac interface gigabitethernet0/21 0000.0201.0601 interface
gigabitethernet0/23 0000.0201.0201
Source 0000.0201.0601 found on con6[WS-CBS3020-HP] (2.2.6.6)
con6 (2.2.6.6) :Gi0/21 => Gi0/23
con5
con1
con2
Destination 0000.0201.0201 found on con2[WS-C3550-24] (2.2.2.2)
Layer 2 trace completed
This example shows the Layer 2 path when the switch is not connected to the source switch:
Switch# traceroute mac 0000.0201.0501 0000.0201.0201 detail
Source not directly connected, tracing source .....
Source 0000.0201.0501 found on con5[WS-CBS3020-HP] (2.2.5.5)
con5 / WS-CBS3020-HP / 2.2.5.5 :
con1 / WS-C3550-12G / 2.2.1.1 :
con2 / WS-C3550-24 / 2.2.2.2 :
Destination 0000.0201.0201 found on con2[WS-C3550-24] (2.2.2.2)
Layer 2 trace completed.
This example shows the Layer 2 path when the switch cannot find the destination port for the source
MAC address:
Switch# traceroute mac 0000.0011.1111 0000.0201.0201
Error:Source Mac address not found.
Layer2 trace aborted.
This example shows the Layer 2 path when the source and destination devices are in different VLANs:
Switch# traceroute mac 0000.0201.0601 0000.0301.0201
OL-8916-01
(2.2.5.5
(2.2.1.1
(2.2.2.2
Gi0/22 [auto, auto] => Gi0/23 [auto, auto]
Fa0/3 [auto, auto] => Gi0/1 [auto, auto]
Gi0/1 [auto, auto] => Gi0/2 [auto, auto]
Gi0/2 [auto, auto] => Fa0/1 [auto, auto]
(2.2.5.5
(2.2.1.1
(2.2.2.2
Gi0/21 [auto, auto] => Gi0/23 [auto, auto]
Gi0/1 [auto, auto] => Gi0/2 [auto, auto]
Gi0/2 [auto, auto] => Fa0/1 [auto, auto]
) : Gi0/3 => Gi0/1
) : Gi0/1 => Gi0/2
) : Gi0/2 => Gi0/1
) : Gi0/3 => Gi0/1
) : Gi0/1 => Gi0/2
) : Gi0/2 => Gi0/1
Cisco Catalyst Blade Switch for HP Command Reference
traceroute mac
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