Service Loop Group - H3C S7500E Series Operation Manual

Operation Manual – Link Aggregation
H3C S7500E Series Ethernet Switches
forwarding port according to the source MAC address and destination MAC
address.
For a unicast IP packet with a known destination IP address, the switch selects the
forwarding port according to the source IP address and the destination IP address
of the packet.
For a Layer-2 multicast packet with a known destination MAC address, the switch
selects the forwarding port according to the source MAC address, the destination
MAC address, and the receiving port of the packet.
For a Layer-3 multicast packet with a known IP address, the switch selects the
forwarding port according to the source IP address, the destination IP address,
and the receiving port of the packet.
For an unknown unicast/multicast/broadcast packet, the switch selects the
forwarding port according to the source MAC address, the destination MAC
address, and the receiving port of the packet.
Note:
When only one selected port remains in a load sharing aggregation group, the group
keeps working in the load sharing mode.

1.4 Service Loop Group

If a device that supports service board intermixing is present in a distributed system,
you need to create service-loop ports to redirect services between these boards. Thus,
when a service board receives traffic not intended for it, the board can redirect the
traffic to the intended destination. To increase the redirect throughput, you may create
service-loop groups.
You can create a service loop group by creating a manual aggregation group of
service-loop ports first and then specifying which services can be redirected for the
group. At present, you may specify to redirect four types of services, IPv6 (IPv6 unicast),
IPv6mc (IPv6 multicast), tunnel, and MPLS.
Note:
Currently, the S7500E series Ethernet switches support to redirect tunnel services
only.
After creating a service-loop group, assign ports that support its service type to the
group considering the following:
Chapter 1 Link Aggregation Overview
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