3-6
Cisco Broadband Cable Command Reference Guide
OL-1581-08
Chapter 3 Cisco CMTS Show Commands
show cable arp-filter
show cable arp-filter
To display the total number of Address Resolution Protocol (ARP) replies and requests that have been
sent and received, including the number of requests that have been filtered, use the
show cable arp-filter
command in privileged EXEC mode.
show cable arp-filter cable
slot/port
[
ip-requests-filtered
number
] [
requests-filtered
number
|
replies-filtered
number
]
show cable arp-filter
cable
slot
/
subslot
/
port
[
ip-requests-filtered
number
] [
requests-filtered
number
|
replies-filtered
number
]
Syntax Description
Command Modes
Privileged EXEC
Command History
cable
slot/port
Displays information for all CMs on the specified cable interface and
downstream port on the Cisco uBR7246VXR router.
On the Cisco uBR7246VXR router,
slot
can range from 3 to 6, and
port
can
be 0 or 1, depending on the cable interface.
cable
slot/subslot/port
Displays information for all CMs on the specified cable interface on the
Cisco uBR10012 router. The following are the valid values:
•
slot
= 5 to 8
•
subslot
= 0 or 1
•
port
= 0 to 4 (depending on the cable interface)
[
ip-requests-filtered
number
]
(Optional) Displays the Service IDs (SIDs) that are generating or forwarding
more filtered ARP requests for IP packets than the specified minimum
number
of packets. The valid range for
number
is 1 to 65535, with no default.
Note
This field shows the modems that are forwarding IP traffic that could
be an part of an attack, such as TCP SYN floods, ping scans, and so
forth.
[
requests-filtered
number
]
(Optional) Displays the Service IDs (SIDs) that are generating or forwarding
more filtered ARP requests than the specified minimum
number
of packets.
The valid range for
number
is 1 to 65535, with no default.
[
replies-filtered
number
]
(Optional) Displays the Service IDs (SIDs) that are generating or filtering
more filtered ARP replies than the specified minimum
number
of packets.
The valid range for
number
is 1 to 65535, with no default.
Release
Modification
12.2(15)BC2
This command was introduced for the Cisco uBR7246VXR and
Cisco uBR10012 universal broadband routers.
12.2(15)BC2b The
ip-requests-filtered
option was added to display the specific Service
IDs (SIDs) that are generating or forwarding a minimum number of ARP
packets.