H3C S7500E Series Ethernet Switches Operation Manual
Operation Manual – System Maintaining and Debugging
H3C S7500E Series Ethernet Switches Chapter 3 Device Management
3-6
Table 3-1 Traffic forwarding modes supported by S7500E SRPUs
SRPU model
Supported
traffic
forwarding
mode
Feature
Recommended
application
environment
Enhanced
Layer 2
forwarding
mode
Supporting selective QinQ
Double-tagged
VLAN networks
LSQ1SRP2X
B
LSQ1SRPB
LSQ1MPUA
Standard
forwarding
mode
z Supporting QinQ
z Powerful Layer 3 forwarding
functions
Common
networks
Enhanced
Layer 2
forwarding
mode with
the MAC
extension
function
z Supporting selective QinQ
z Providing a 128K MAC
address table and a 4K
routing table
Double-VLAN-ta
g networks with a
large quantity of
MAC addresses
Standard
forwarding
mode with
the MAC
extension
function
z Supporting QinQ
z Providing a 128K MAC
address table and a 4K
routing table
Networks having
a large quantity
of MAC
addresses and
low requirements
on routing table
size
LSQ1SRP1C
B
Standard
forwarding
mode with
the route
extension
function
z Supporting QinQ
z Powerful Layer 3 forwarding
functions
z Providing a 32K MAC
address table and a 128K
routing table
Networks having
high
requirements on
routing table size
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: