show ip flow
Show how a Layer 3 packet is forwarded when it arrives at a particular interface.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
show ip flow interface [vrf vrf instance] interface {source-ip 
address destination-ip address} {protocol number [tcp | udp] | 
icmp} {src-port number destination-port number}
Parameters
vrf instance
E-Series Only: Show only the L3 flow as they apply to that VRF 
process.
interface 
interface
Enter the keyword 
interface
 followed by of the following interface 
keywords.
• For a Fast Ethernet interface, enter the keyword 
FastEthernet followed by the slot/port information.
• For a 1-Gigabit Ethernet interface, enter the keyword 
GigabitEthernet followed by the slot/port information.
• For a SONET interface, enter the keyword sonet followed by 
the slot/ port information.
• For a 10-Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet followed by the slot/port 
information.
• For a 40-Gigabit Ethernet interface, enter the keyword 
fortyGigE followed by the slot/port information. 
(OPTIONAL) Enter an in or out parameter in conjunction 
with the optional interface.
source-ip 
address
Enter the keywords source-ip followed by the IP source address 
in IP address format.
destination-ip 
address
Enter the keywords destination-ip followed by the IP 
destination address in IP address format.
protocol 
number 
[tcp | udp] | icmp
E-Series only: Enter the keyword protocol followed by one of the 
protocol type keywords: tcp, udp, icmp, or protocol number.
src-port 
number
Enter the keywords 
src-port
 followed by the source port number.
destination-port 
number
Enter the keywords 
destination-port
 followed by the destination port 
number.
Command Modes EXEC
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.10.0 Introduced on the S4810.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.9.1.0 Introduced VRF on the E-Series.
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