Alteon Application Switch Operating System Application Guide
Filtering and Traffic Manipulation
Document ID: RDWR-ALOS-V2900_AG1302 397
IPv6 Filtering
Alteon IPv6 support includes support for filter classification and action up to Layer 4. Layer 7
classification and actions are not supported on IPv6 filters. IPv6 filtering operates in a similar fashion
to IPv4 filtering.
Notes
• For NAT filters, the advanced PIP address configured within an IPv6 filter must also be IPv6.
• For an IPv6 redirection filter, the server group to which the filter redirects must contain only
IPv6 servers.
Connectivity is maintained in IPv6 through the regular exchange of Neighbors Solicitation (NSol)
packets. These packets are sent to find the link layer address of a neighbor in the link and to find the
reachability of a neighboring node. It is usually necessary to configure an additional ALLOW filter for
these multicast packets so that link neighbors can be learnt. If this is not done, no packets are
allowed because link neighbors cannot be learnt. Filter inversion also must take these NSol packets
into consideration.
Not all Advanced menu commands that are available for configuring IPv4 filters are available for
configuring IPv6 filters. You can use the following Advanced menu commands to configure IPv6
filters:
Table 34: IPv6 Filter Configuration Commands
Command Menu Supported Commands
/cfg/slb/filt <filter number> /adv
• cont <BW Contract, 1-1024>
• revcont <BW Contract, 1-1024>
• tmout <even number of minutes, 4-
32768>
• idsgrp <real server group number,
1-1024>|none
• idshash sip|dip|both
• thash
auto|sip|dip|both|sip+sport|dip32
• mcvlan <Vlan id>
• goto <filter ID>
• reverse disable|enable (or just
d|e)
• cache disable|enable (or just
d|e)
• log disable|enable (or just d|e)
• mirror disable|enable (or just
d|e)
• nbind disable|enable (or just d|e)
/cfg/slb/filt <filter number> /adv/ip
• length <IP packet length (in
bytes), 64-65535 | any>
/cfg/slb/filt <filter number> /adv/tcp
All TCP menu commands.
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