Basic Configuration; Figure 27: Applying An Ip Filter To An Ingress Interface - Alcatel-Lucent 7750 SR OS Configuration Manual

Basic Configuration

Basic Configuration
The most basic IP, IPv6, and MAC filter policies must have the following:
•
•
•
•
The following example displays a sample configuration of an IP filter policy. The configuration
blocks all incoming TCP session except Telnet and allows all outgoing TCP sessions from IP net
10.67.132.0/24.
A:ALA-1>config>filter# info
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A:ALA-1>config>filter#
Page 308
A filter ID
Template scope, either exclusive or template
Default action, either drop or forward
At least one filter entry
→ Specified action, either drop or forward
→ Specified matching criteria
Figure 27 depicts the interface to apply the filter.
ip-filter 3 create
entry 10 create
match protocol 6
dst-port eq 23
src-ip 10.67.132.0/24
exit
action forward
exit
entry 20 create
match protocol 6
tcp-syn true
tcp-ack false
exit
action drop
exit
exit
Ingress
Filter
TCP Connection

Figure 27: Applying an IP Filter to an Ingress Interface

ALA-1
OSRG007
7750 SR OS Router Configuration Guide