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Use EEM script to automatically capture packets (CISCO) On the Cisco switch: Packet capture command for the above model: Monitoring session 1 source interface e0/0 both Monitoring session 1 target interface e0/1 Show monitor session 1 Idea: We could use an EEM script so that when...

Automatic backup of DHCP client table on router/SW CISCO When I use DHCP router/coresw, if I reboot, I lose the DHCP binding table (show ip dhcp binding) We can use an FTP server or TFTP to automatically save the table and when the router/coresw is restarted, the information will still be...

Worried about replacing the DHCP server with an old IP? Original model: The server delivers DHCP to the following vlan through R1-Agent, and it runs normally: Then the DHCP server is too old or the configuration is too weak. If we transfer the DHCP server to the Router, the Router will know...

This is the latest set of CCNA dumps as of October 14, 2023 on the examtopics.com page. Number of questions: 1200 questions, including answers and discussion comments prepared by candidates. Download link: Dump CCNA October 15, 2023 By decompressing posts in the group bit.ly/labnetwork To...

Use EEM script to automatically backup FTP when saving configuration idea When we enter wr to save the configuration, it will automatically save the configuration to the FTP server Production: Using EEM scripts in Cisco routers: When someone is detected entering the wr command, the command...

Simple corporate network configuration using ASA Model: Require: – Configure trunking and access between LAN switches and core switches (you determine the appropriate mode) – Configure int vlan 100 and 200 on coresw, and configure VRRP: Coresw1 primary VLAN 100 Coresw2 primary VLAN 200...

Model: Require: – Configure so that the PC can ping 8.8.8.8 (loopback of R10 in the picture) – Core switches have VRRP redundancy – Fortigate firewall configuration active and backup clusters Note: FORTIGATE EVE 6.4 should be used here, There is a problem with version 7.X Configuration...

S2S VPN configuration between 2 devices behind NAT Usually I configure it like this S2SVPN Then both ends need static IP. But some models are actually 2 devices behind the NAT GW: Both NAT overload and NAT static can configure VPN. Among them static NAT is easier => Here I demonstrate NAT...

Corporate Network Lab using JUNIPER QFX and SRX NOTE: When using virtual QFX on my EVE, one of them will lose its configuration when I open both at the same time. Please try it and see if it works. Download QFX EVE here – Cisco LAN switches determine trunking and access modes and...

Use KIWI SYSLOG to configure problem reporting emails Configuration on the router to send system logs to the server: R2 and R3: Log trap debugging Log host 192.168.200.10 Download and install kiwi syslog on the home page: (Trial 14 days) Then you can see a log like this pop up...

Full image of EVE-NG Labs Including new generation IMAGE such as Cisco ISE, including firewalls and switches such as Palo alto, Fortigate, Checkpoint R81, Rujie Switch, Aruba, H3C… Download link: Password file included: Quickly join CCNA bit.ly/hai-ccna Xem tiếp...

SLA Labs post about Cisco and IP monitoring on Juniper SRX Require: – The planned device IP configurations for R1-R4 are 10.1.4.1 and 10.1.4.4 – Configure the VRRP priority on the Cisco branch as shown in the figure, the VRRP address is 192.168.1.10 – Use SLA tracking to monitor the main...

Configure IPSEC S2S between Cisco and Checkpoint VPN parameters Stage 1: Encryption method: 3des Hash MD5 Authentication: Pre-shared key: 123456 Group 2 Stage 2: Encryption: AES 256 Hash sha1 Configuration: On Cisco R4 Router encryption isakmp policy 1 coding3des Hash MD5...

Configure site-to-site VPN Hardening and checkpointing firewalls VPN specifications: Stage 1: Encryption: DES Hash value: MD5 Pre-shared key: 123456 DH group 2 Stage 2: Encryption: DES Hash value: SHA256 PFS Group 2 Configuration within checkpoint: Similar to this post...

basic configuration Netflow and monitoring on Solarwind Model: network flow Allows us to monitor which IP pairs are exchanging information and how many Mbps, rather than just looking at total traffic like SNMP on PRTG. The format is as follows: There are 2 types of netflow: V5 and V9...

Configure connection VLAN Model: The gateway of vlan 20 is on the firewall (in the experiment, we used a router to simulate the firewall) The 10.30 vlan has a gateway on the core switch We need to configure the PC of vlan 20 to connect to vlan 10.30. The flow chart is as follows...

Configure connection VLAN Model: The gateway of vlan 20 is on the firewall (in the experiment, we used a router to simulate the firewall) The 10.30 vlan has a gateway on the core switch We need to configure the PC of vlan 20 to connect to vlan 10.30. The flow chart is as follows...