108   ESR Series Routers Operation Manual 
Reset to factory default is similar. 
esr# copy system://factory-config system://candidate-config  
  How to attach subinterface to created VLAN? 
While subinterface creation, VLAN is created and  attached automatically (direct correlation index 
sub-VID) 
esr(config)# interface gigabitethernet 1/0/1.100  
Information messages are shown after applying: 
2016-07-14T012:46:24+00:00 %VLAN: creating VLAN 100  
  Do the ESR-series routers have features for traffic analysis? 
Opportunity of analysing traffic through CLI interfaces is realized on ESR-series routers. A packet sniffer 
is launched by monitor command. 
  How to configure ip-prefix-list 0.0.0.0./0? 
Example  of  prefix-list  configuration  is  shown  below.  The  configuration  allows  route  reception  by 
default.  
esr(config)# ip prefix-list eltex 
esr(config-pl)# permit default-route 
  Problem of asynchronuous traffic transmission is occurred 
In case of asynchronous routing, Firewall will forbid "incorrect" ingress traffic (which does not open 
new connection and does not belong any established connection) for security reasons.  
Allowing rule in Firewall does not solve the problem. 
Firewall should be disabled on ingress interface. 
esr(config-if-gi)# ip firewall disable