H3C S7500E Series Operation Manual page 1211

Operation Manual – System Maintaining and Debugging
H3C S7500E Series Ethernet Switches
Table 3-1 Traffic forwarding modes supported by S7500E SRPUs
SRPU model
LSQ1SRP2X
B
LSQ1SRPB
LSQ1MPUA
LSQ1SRP1C
B
Note:
Enhanced Layer 2 forwarding does not support route extension.
II. Configuring SRPU traffic forwarding mode
Follow these steps to configure traffic forwarding mode of LSQ1SRP2XB, LSQ1SRPB,
or LSQ1MPUA:
Supported
traffic
forwarding
mode
Enhanced
Layer 2
Supporting selective QinQ
forwarding
mode
Supporting QinQ
Standard
forwarding
Powerful Layer 3 forwarding
mode
functions
Enhanced
Layer 2
Supporting selective QinQ
forwarding
Providing a 128K MAC
mode with
address table and a 4K
the MAC
routing table
extension
function
Standard
Supporting QinQ
forwarding
mode with
Providing a 128K MAC
the MAC
address table and a 4K
extension
routing table
function
Supporting QinQ
Standard
forwarding Powerful Layer 3 forwarding
mode with functions
the route
Providing
extension
address table and a 128K
function
routing table
3-6
Chapter 3 Device Management
Feature
a 32K MAC
Recommended
application
environment
Double-tagged
VLAN networks
Common
networks
Double-VLAN-ta
g networks with a
large quantity of
MAC addresses
Networks having
a large quantity
of MAC
addresses and
low requirements
on routing table
size
Networks having
high
requirements on
routing table size