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Juniper ACX2000 Configuration Guide

Juniper ACX2000
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user@host> show dhcp server binding routing-instance customer routing instance
• To display extended DHCP local server statistics:
user@host> show dhcp server statistics routing-instance customer routing instance
• To clear the binding state of a DHCP client from the client table on the extended DHCP
local server:
user@host> clear dhcp server binding routing-instance customer routing instance
• To clear all extended DHCP local server statistics:
user@host> clear dhcp server statistics routing-instance customer routing instance
Related
Documentation
CLI Explorer•
Enabling MAC Address Filtering
To support source MAC address filtering for blocking unknown DHCP clients, specify the
list of MAC addresses in the source-address-filter statement:
source-address-filter {
mac-address;
}
If you want to enable source address filtering, use the source-filtering statement.
If you don’t want to enable source address filtering, use the no-source-filtering statement.
You can include these statements at the following hierarchy levels:
•
[edit interfaces interface-name gigether-options]
To check packets dropped due to source MAC filtering, use the run show interfaces
interface-name extensive show command.
NOTE: Source MAC filtering is implemented using ternary content addressable
memory (TCAM) space. The allocated TCAM space for this feature is shared
by the filter-based forwarding (FBF) filter, which redirects the matched flow
to the configured routing instance. On the logical interface, if these features
are enabled, then source MAC filter takes higher precedence over the FBF
filter. These features work independently on different logical interfaces
without any limitation. From a scaling perspective, the allocated 125 hardware
TCAMentries are shared by these features and the allocation of TCAM entries
work on a first-come-first-serve basis mode. Source MAC filtering can be
scaled up to 125 TCAM entries without the presence of the FBF filter. In
general, if the ACX Series router has N physical ports, then it can support
(125–N) source MAC addresses at the system level.
Copyright © 2017, Juniper Networks, Inc.350
ACX Series Universal Access Router Configuration Guide

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Juniper ACX2000 Specifications

General IconGeneral
BrandJuniper
ModelACX2000
CategoryNetwork Router
LanguageEnglish

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