Reference Guide
634 | IPv4 Routing
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Parameters
Command Modes
EXEC Privilege
Command History
clear host
c e s z
Remove one or all dynamically learnt host table entries.
Syntax
clear host name
Parameters
Command Modes
EXEC Privilege
vrf name
E-Series Only: Clear only the ARP cache entries tied to the VRF process.
interface
(OPTIONAL) Enter the following keywords and slot/port or number information:
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet
followed by the slot/port information.
• For the Management interface, enter the keyword
ManagementEthernet
followed by the slot/port information. The slot range is 0-1 and the port range is
0.
• For a Port Channel interface, enter the keyword
port-channel followed by a
number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale.
• 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 VLAN, enter the keyword
vlan followed by a number from 1 to 4094.
• For a 40-Gigabit Ethernet interface, enter the keyword
fortyGigE followed by
the slot/port information.
ip ip-address
(OPTIONAL) Enter the keyword ip followed by the IP address of the ARP entry
you wish to clear.
no-refresh (OPTIONAL) Enter the keyword no-refresh to delete the ARP entry from CAM.
Or use this option with
interface or ip ip-address to specify which dynamic
ARP entries you want to delete.
Note: Transit traffic may not be forwarded during the period when deleted
ARP entries are resolved again and re-installed in CAM. Use this
option with extreme caution.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.2.1.0 Support 4094 VLANs on E-Series ExaScale (prior limit was 2094)
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.9.1.0 Introduced VRF on the E-Series
Version 7.6.1.0 Introduced on S-Series
Version 7.5.1.0 Introduced on C-Series
pre-Version 6.2.1.1 Introduced on E-Series
name
Enter the name of the host to delete.
Enter * to delete all host table entries.