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Using the show platform forward Command
------------------------------------------
Packet 1
Lookup
OutptACL 50_0D020202_0D010101-00_40000014_000A0000
Port
Gi1/0/1
------------------------------------------
Packet 2
Lookup
OutptACL 50_0D020202_0D010101-00_40000014_000A0000
Port
Gi1/0/2
------------------------------------------
<output truncated>
------------------------------------------
Packet 10
Lookup
OutptACL 50_0D020202_0D010101-00_40000014_000A0000
Packet dropped due to failed DEJA_VU Check on Gi1/0/2
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 gigabitethernet1/0/1 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
InptACL
L2Local
Station Descriptor:F0050003, DestIndex:F005, RewriteIndex:0003
==========================================
Egress:Asic 3, switch 1
Output Packets:
------------------------------------------
Packet 1
Lookup
OutptACL 50_0D020202_0D010101-00_40000014_000A0000
Port
Gi1/0/2
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. Since there is no default route set, the packet should be dropped.
Switch# show platform forward gigabitethernet1/0/1 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
InptACL
Catalyst 3750 Switch Software Configuration Guide
39-24
Key-Used
Vlan
SrcMac
0005 0001.0001.0001
Key-Used
Vlan
SrcMac
0005 0001.0001.0001
Key-Used
Key-Used
40_0D020202_0D010101-00_40000014_000A0000
80_00050009_43A80145-00_00000000_00000000
Key-Used
Vlan
SrcMac
0005 0001.0001.0001
Key-Used
40_0D020202_0D010101-00_41000014_000A0000
Index-Hit
DstMac
Cos
Dscpv
0002.0002.0002
Index-Hit
DstMac
Cos
Dscpv
0002.0002.0002
Index-Hit
Index-Hit
Index-Hit
DstMac
Cos
Dscpv
0009.43A8.0145
Index-Hit
Chapter 39
Troubleshooting
A-Data
01FFE
03000000
A-Data
01FFE
03000000
A-Data
01FFE
03000000
A-Data
01FFA
03000000
00086
02010197
A-Data
01FFE
03000000
A-Data
01FFA
03000000
78-16180-02
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Table of Contents
Troubleshooting
