Virtual Private LAN Services
Page 744 7750 SR OS Services Guide
Description This command enables the context to configure ARP host parameters.
host-limit
Syntax host-limit max-num-hosts
no host-limit
Context config>service>vpls>sap>arp-host
Description This command configures the maximum number of ARP hosts.
The no form of the command returns the value to the default.
Default 1
Parameters max-num-hosts — specifies the maximum number of ARP hosts allowed on this SAP.
Values 1 — 32767
min-auth-interval
Syntax min-auth-interval min-auth-interval
no min-auth-interval
Context config>service>vpls>sap>arp-host
Description This command configures the minimum authentication interval.
The no form of the command returns the value to the default.
Default 15
Parameters min-auth-interval — Specifies the minimum authentical interval, in minutes.
Values 1 — 6000
arp-reply-agent
Syntax arp-reply-agent [sub-ident]
no arp-reply-agent
Context config>service>vpls>sap
Description This command enables a special ARP response mechanism in the system for ARP requests destined
to static or dynamic hosts associated with the SAP. The system responds to each ARP request using
the hosts MAC address as the both the source MAC address in the Ethernet header and the target
hardware address in the ARP header.
ARP replies and requests received on a SAP with arp-reply-agent enabled will be evaluated by the
system against the anti-spoof filter entries associated with the ingress SAP (if the SAP has anti-spoof
filtering enabled). ARPs from unknown hosts on the SAP will be discarded when anti-spoof filtering
is enabled.
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