Chapter 17: IP Packet Filters, Subscriber Management
STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
581
Purpose
Command
This command displays general information on functionality and
display options for all cable modems registered or attempting to
register.
show cable modem
IP Packet Filtering Configuration Example
This scenario assumes that the CAM is in-service and that its RF parameters have been set. Use the following sequence of
commands (or script) as an example of filter group configuration:
The series of commands below creates a filter designed to drop netbios traffic and allow all other traffic from a CPE.
configure cable submgmt default filter-group cm downstream 1
configure cable submgmt default filter-group cm upstream 2
configure cable submgmt default filter-group cpe downstream 3
configure cable submgmt default filter-group cpe upstream 4
configure cable submgmt default active
configure cable filter group 4 index 1 ip-version ipv4
configure cable filter group 4 index 1 src-port 65536
configure cable filter group 4 index 1 dest-port 135
configure cable filter group 4 index 1 ip-proto 257
configure cable filter group 4 index 1 match-action drop
configure cable filter group 4 index 1 ip-tos 0x0 0x0
configure cable filter group 4 index 2 ip-version ipv4
configure cable filter group 4 index 2 src-port 65536
configure cable filter group 4 index 2 dest-port 137
configure cable filter group 4 index 2 ip-proto 257
configure cable filter group 4 index 2 match-action drop
configure cable filter group 4 index 2 ip-tos 0x0 0x0
configure cable filter group 4 index 3 ip-version ipv4
configure cable filter group 4 index 3 src-port 65536
configure cable filter group 4 index 3 dest-port 138
configure cable filter group 4 index 3 ip-proto 257
configure cable filter group 4 index 3 match-action drop
configure cable filter group 4 index 3 ip-tos 0x0 0x0
configure cable filter group 4 index 4 ip-version ipv4
configure cable filter group 4 index 4 src-port 65536
configure cable filter group 4 index 4 dest-port 139
configure cable filter group 4 index 4 ip-proto 257
configure cable filter group 4 index 4 match-action drop
configure cable filter group 4 index 4 ip-tos 0x0 0x0
configure cable filter group 4 index 5 ip-version ipv4
configure cable filter group 4 index 5 src-port 65536