Zte ZXR10 5900E Product Description page 82

ZXR10 5900E Product Description
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Supporting Ipv4 protocol stacks and basic routing protocols
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Implementing multi-layer services such as ACL and DHCP
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Implementing some broadband access functions
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Implementing network management protocol SNMPv3 and Agent
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Allowing users to perform network management via the serial terminal, Telnet, or
SNMP Manager, including network configuration management, fault management,
performance management and security management.
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Smooth upgrade of the software version, and on-line upgrade of the active/standby
protocol processing cards and switching network cards.
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Network security function
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Based on the system functions mentioned above, the system software could be
divided into five subsystems.
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Operation support subsystem, including software modules such as BSP, ROS, SSP,
and VxWorks kernel
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MUX subsystem, including the data distribution module, statistics and monitoring
module, and driving and encapsulation module. The data distribution module
distributes data packets to the driver and upper-layer software. The statistics and
monitoring module measures data, forwards information, and monitors the software
table.
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L2 subsystem, including processing STP protocol, LACP protocol, IGMP
SNOOPING protocol, MAC address management, VLAN management and L2 data
forwarding
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L3 subsystem, which implements basic protocols of TCP/IP, such as IP, ARP, ICMP,
TCP, and UDP, and application protocols such as FTP and Telnet, and implements
unicast and multicast routing protocols, performing L3 data forwarding.
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