3Com Switch 8800 Family Configuration Guide

Intermixing Configuration Task 605
You can define the flow template by means of the IP + VLAN + DMAC method to
make sure that different kinds of packets are processed in different ways:
■ If ARP packets do not match IP rules in redirection, they will be processed on
the non-MPLS card;
■ If Layer 2 traffic does not match DMAC in redirection, it will be L2-forwarded
on the non-MPLS card;
■ If Layer 3 packets (including unicast protocol packets) match the rule, they will
be redirected to the MPLS card.
Refer to section "QACL" and the following networking example in the manual for
detailed information on configuring flow template and ACL rules.
Applying Flow Template
and Redirection in Port
Mode
The traffic-redirect command is used to enable ACL flow classification and
redirect the packets (only applicable to the rules whose action is permit in the
ACL). There are two kinds of redirection commands:
■ Redirect packets to a port: You can redirect packets received by the source port
of the non-MPLS card to the specified destination port of the MPLS card.
■ Redirect packets to an application module: You can redirect packets received by
the source port of the non-MPLS card or MPLS card to the VPLS card.
There are two kinds of redirection services:
■ VPLS-related redirection services: The key word join-vlan must be specified,
and the system will add the current port into destination-vlan after the
redirection enabled; when redirection is disabled, the system will log the
current port out of the VLAN if what is deleted is a join-vlan enabled
redirection in the VLAN.
■ MPLS-independent redirection services: Such redirection services include URPT,
reflexive ACL, BT traffic control and so on. join-vlan cannot be enabled in such
a service. The port will not be added into VLAN when redirection is configured,
and the port will not be removed from the VLAN when redirection is deleted.
Tab le 562 Applying Flow Template and Redirect in Port Mode
Operation Command Description
Enter system view system-view -
Enter port view
interface interface-type
interface-number
-
Apply flow template in port
mode
flow-template
user-defined
Required
Configure the
traffic-redirect command
traffic-redirect inbound
ip-group { acl-number |
acl-name } [ rule rule]
link-group [ rule rule ]
interface interface-type
interface-number
destination-vlan { l2-vpn |
l3-vpn } slot slotid vlanid
[Join-vlan ] }
Required
l3-vpn | l2-vpn means the
command is applicable to
L2VPN or L3VPN of MPLS.
slot slotid vlanid: the slot id of
the service card which the
VPLS packets are redirected to
and the ID of the VLAN to join
in.