Related Documentation
- ACX, M, MX, PTX, QFX, T Series
- Configuring the Junos OS ARP Learning and Aging Options for Mapping IPv4 Network Addresses to MAC Addresses
- Additional Information
- Junos® OS Network Interfaces
- For more information about ARP updates, see the Junos OS System Basics Configuration Guide .
arp (System)
Syntax
For EX-Series switches:
Hierarchy Level
Release Information
Statement introduced before Junos OS Release 7.4.
Statement introduced in Junos OS Release 9.0 for EX Series switches.
Statement introduced in Junos OS Release 11.1 for the QFX Series.
Description
Specify ARP options. You can enable backup VRRP routers to learn ARP requests for VRRP-IP to VRRP-MAC address translation. You can also set the time interval between ARP updates.
For EX-Series switches, set only the time interval between ARP updates.
Options
aging-timer | — | Time interval in minutes between ARP updates. In environments where the number of ARP entries to update is high (for example, on routers only, metro Ethernet environments), increasing the time between updates can improve system performance. passive-learning (QFX-Series only)—Configure switches to learn the ARP mappings (IP-to-MAC address) for hosts sending the requests. |
Default: 20 minutes
Range: 1 to 240 minutes
The remaining statements are explained separately.
Required Privilege Level
system—To view this statement in the configuration.
system-control—To add this statement to the configuration.
Related Documentation
- ACX, M, MX, PTX, QFX, T Series
- Configuring the Junos OS ARP Learning and Aging Options for Mapping IPv4 Network Addresses to MAC Addresses
- Additional Information
- Junos® OS Network Interfaces
- For more information about ARP updates, see the Junos OS System Basics Configuration Guide .
Published: 2013-08-15
Related Documentation
- ACX, M, MX, PTX, QFX, T Series
- Configuring the Junos OS ARP Learning and Aging Options for Mapping IPv4 Network Addresses to MAC Addresses
- Additional Information
- Junos® OS Network Interfaces
- For more information about ARP updates, see the Junos OS System Basics Configuration Guide .
