ESR Series Routers Operation Manual                                                          101 
 
Define receiver-server of Trap-PDU messages  
esr(config)# snmp-server host 192.168.52.41 
Configuration changes will take effect when the configuration is applied: 
esr# commit 
Configuration has been successfully committed 
esr# confirm 
Configuration has been successfully confirmed 
7.35  BRAS (Broadband Remote Access Server) configuration 
Objective: Provide access to the Internet only to authorized users. 
 
Fig. 7.3   – Network structure 
Solution: 
SoftWLC  server  keeps  accounts  data  and  tariff  plan  parameters.  You  can  obtain  more  detailed 
information on installation and configuring SoftWLC server using following links: 
http://kcs.eltex.nsk.ru/articles/960 - general article of SoftWLC; 
http://kcs.eltex.nsk.ru/articles/474 - SoftWLC installation from repositories. 
The BRAS license is obligatory for router, after its activation you can start device configuring. 
Create 3 security zones, according to the network structure depicted in 
Fig. 7.3: 
esr# configure 
esr(config)# security zone trusted 
esr(config-zone)# exit 
esr(config)# security zone untrusted 
esr(config-zone)# exit 
esr(config)# security zone dmz 
esr(config-zone)# exit 
 Configure public port parameters and assign its default gateway:  
esr(config)# interface gigabitethernet 1/0/1 
esr(config-if-gi)# security-zone untrusted 
esr(config-if-gi)# ip address 203.0.113.2/30