История страницы

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1. R1 configuration
   Enable LLDP globally on the router:

   Блок кода
   esr(config)# lldp enable

   Enable the receiving and transmission of LLDPDU on the gi 1/0/1 interface.

   Блок кода
   esr(config)# interface gigabitethernet 1/0/1 esr(config-if-gi)# lldp receive esr(config-if-gi)# lldp transmit

   
   

2. R2 configuration

   Enable LLDP globally on the router/controller:

   Блок кода
   esr(config)# lldp enable

   Enable the receiving and transmission of LLDPDU on the gi 1/0/1 interface.

   Блок кода
   esr(config)# interface gigabitethernet 1/0/1 esr(config-if-gi)# lldp receive esr(config-if-gi)# lldp transmit

   To view LLDP neighbors information, use the following command:

   Блок кода
   esr# show lldp neighbors

   To view more detailed information on the certain interface neighbor, use the following command:

   Блок кода
   esr# show lldp neighbors gigabitethernet 1/0/1

   To view LLDP statistics, use the following command:

   Блок кода
   esr# show lldp statistics

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LLDP MED configuration

LLDP MED — LLDP standard enhancement which allows to transmit network policies: VLAN ID, DSCP, priority.

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Configure STP on the router to prevent a loop with a 10 second listen and learn interval and a spanning tree lifetime of 15 seconds.

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Solution:

Example of a diagram with a router and a switch connected by two links is given below.

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Configure PPP connection to the opposite side with IP address 192address 192.0.2.2/24 via TOPGATE-WAN-E1 using 1-8 channel slots for data transmission; the clock source is the opposite side.

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Solution:

First, configure system jumbo-frames, save changes to the configuration and reboot the router:

esr(config)# system jumbo-frames 
esr(config)# exit 
esr# commit 
esr# confirm
esr# reload system 
Do you really want to reload system ? (y/N): y

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Solution:

Configure the first ESR-21 

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esr-21-1(config)# line aux 2 
esr-21-1(config-line-aux)# flowcontrol hardware
esr-21-1(config-line-aux)# exit
esr-21-1(config)# 

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esr-21-2(config)# security zone xx
esr-21-2(config-zone)# exit
esr-21-2(config)# security zone-pair xx self 
esr-21-2(config-zone-pair)#   rule 1 
esr-21-2(config-zone-pair-rule)# action permit 
esr-21-2(config-zone-pair-rule)# enable 
esr-21-2(config-zone-pair-rule)# exit 
esr-21-2(config-zone-pair)# exit
esr-21-2(config)# 

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Configure the first ESR-21 

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esr-21-1(config)# interface serial 1/0/2
esr-21-1(config-serial)# dialer string 001 modem-script dial_test
esr-21-1(config-serial)# exit
esr-21-1(config)#

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Create a line with additional modem initialization parameters for the second ESR-21:

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