Cisco Systems ME 3400 42-20

42-20

Cisco ME 3400 Ethernet Access Switch Software Configuration Guide

OL-9639-06

Chapter 42 Troubleshooting

Using the show platform forward Command

Gi0/2 0005 0001.0001.0001 0002.0002.0002

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Packet 10

Lookup Key-Used Index-Hit A-Data

OutptACL 50_0D020202_0D010101-00_40000014_000A0000 01FFE 03000000

Packet dropped due to failed DEJA_VU Check on Gi0/2

This is an example of the output when the packet coming in on Gigabit Ethernet port 1 in VLAN 5 is sent to an address already learned on the VLAN on another port. It should be forwarded from the port on which the address was learned.

Switch# show platform forward gigabitethernet0/1 vlan 5 1.1.1 0009.43a8.0145 ip 13.1.1.1

13.2.2.2 udp 10 20

Global Port Number:24, Asic Number:5

Src Real Vlan Id:5, Mapped Vlan Id:5

Ingress:

Lookup Key-Used Index-Hit A-Data

InptACL 40_0D020202_0D010101-00_40000014_000A0000 01FFA 03000000

L2Local 80_00050009_43A80145-00_00000000_00000000 00086 02010197

Station Descriptor:F0050003, DestIndex:F005, RewriteIndex:0003

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Egress:Asic 3, switch 1

Output Packets:

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Packet 1

Lookup Key-Used Index-Hit A-Data

OutptACL 50_0D020202_0D010101-00_40000014_000A0000 01FFE 03000000

Port Vlan SrcMac DstMac Cos Dscpv

Gi0/2 0005 0001.0001.0001 0009.43A8.0145

This is an example of the output when the packet coming in on Gigabit Ethernet port 1 in VLAN 5 has a destination MAC address set to the router MAC address in VLAN 5 and the destination IP address unknown. Because there is no default route set, the packet should be dropped.

Switch# show platform forward gigabitethernet0/1 vlan 5 1.1.1 03.e319.ee44 ip 13.1.1.1

13.2.2.2 udp 10 20

Global Port Number:24, Asic Number:5

Src Real Vlan Id:5, Mapped Vlan Id:5

Ingress:

Lookup Key-Used Index-Hit A-Data

InptACL 40_0D020202_0D010101-00_41000014_000A0000 01FFA 03000000

L3Local 00_00000000_00000000-90_00001400_0D020202 010F0 01880290

L3Scndr 12_0D020202_0D010101-00_40000014_000A0000 034E0 000C001D_00000000

Lookup Used:Secondary

Station Descriptor:02260000, DestIndex:0226, RewriteIndex:0000