Alteon Application Switch Operating System Application Guide
Filtering and Traffic Manipulation
Document ID: RDWR-ALOS-V2900_AG1302 383
9. Assign the filters to the port that connects to the Internet.
Alteon lets you add and remove a contiguous block of filters with a single command.
10. Apply and verify the configuration.
Note: After port filtering is enabled or disabled and you apply the change, session entries are
deleted immediately.
Examine the resulting information. If any settings are incorrect, make appropriate changes.
11. Save your new configuration changes.
12. Check the SLB information.
>> Filter 8# dmask 255.255.255.255
(Set mask for exact destination address)
>> Filter 8# proto tcp
(For TCP protocol traffic)
>> Filter 8# sport any
(From any source port)
>> Filter 8# dport domain
(To any DNS destination port)
>> Filter 8# action allow
(Allow matching traffic to pass)
>> Filter 8# ena
(Enable the filter)
>> Filter 8# /cfg/slb/filt 9
(Select the menu for Filter 9)
>> Filter 9# sip 205.177.15.4
(From local DNS Server)
>> Filter 9# smask 255.255.255.255
(Set mask for exact source address)
>> Filter 9# dip any
(To any destination IP address)
>> Filter 9# proto tcp
(For TCP protocol traffic)
>> Filter 9# sport domain
(From a DNS source port)
>> Filter 9# dport any
(To any destination port)
>> Filter 9# action allow
(Allow matching traffic to pass)
>> Filter 9# ena
(Enable the filter)
>> Filter 9# /cfg/slb/port 5
(Select the SLB port 5 to the Internet)
>> SLB Port 5# add 1-9
(Add filters 1 through 9 to port 5)
>> SLB Port 5# add 2048
(Add the default filter to port 5)
>> SLB Port 5# filt enable
(Enable filtering for port 5)
>> SLB Port 5# apply
>> SLB Port 5# cur
>> SLB Port 5# save
>> SLB Port 5# /info/slb/dump
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