Zte ZXR10 ZSR V2 Series User Manual

ZXR10 ZSR V2 Series Router Product Description
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adjacent forwarding engines. Combining BFD and FRR, ms level link detection and route
switching can be implemented at forwarding layer.
ZXR10 ZSR V2 supports the following BFD features:
 version 0 and version 1 BFD check.
 BFD for BGP check.
 BFD for OSPF check.
 BFD for IS-IS check.
 BFD for LDP LSP check.
 BFD for TE tunnel check.
 BFD for static route configuration for next-hop check.
 BFD for strategy route check.
 BFD for VRRP check.
3.8.3 FRR
When a link or node fails in the network, the packets go through it may be dropped or put
into a loopback. Then there will be inevitable temporary traffic interruption or loopback
until the network re-converge and reckon out a new topology and route. Usually this kind
of interruption will last several seconds. Therefore, to shorten the traffic interruption, a
mechanism should be provided to implement the following functions:
 Quick discovery of link failure
 Quickly provide a recovery path when link fails
 Avoid forwarding ‘micro-loop’ in following-up network recovery.
This is FRR (Fast ReRoute). ZXR10 ZSR V2 FRR covers IP FRR and L3VPN FRR.
3.8.3.1 IP FRR
ZXR10 ZSR V2 product provides IP FRR. The routing protocol unit provides loop-free
main/standby route based on the loop avoiding strategy configured by the user. The
forwarding unit implements traffic forwarding based on main route in the process. At the

Zte ZXR10 ZSR V2 Series Specifications

General

Series	ZXR10 ZSR V2 Series
Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to 70°C
Ports	GE, 10GE
Storage Humidity	5% to 95% (non-condensing)