strange works of nice students that were difficult to correct
- ssh: oef-netadv-troubleshooting-ssh
 
- ospf: trouble-shooting-ospf-2023
 
- ospf-n-subnetting: subnetting-oef1-ospf-v01-debug-oefening-pc2-pc3
 
- static routing: static.routing-2-troubleshooting
 
- static routing: erouting-283-trblshoot
 
- static routing ipv4: pt-troubleshooting-static-routes-ipv4
 
- static routing ipv6: pt-troubleshooting-static-routes-ipv6
 
- troubleshooting enterprise network: 8.2.4.14-packet-tracer-troubleshooting-enterprise-networks-3
- ripv2: exa-netadv-2020-ripv2-mm-1
 
 1. oplossing RIPv2: ripv2: exa-netadv-2020-ripv2-mm-1
 pc2 -ping- r2 -> yes
 pc2 >> pc3 -> yes
 pc2 >> pc1 -> unreachable
 pc3 >> pc1 -> unreachable
 subnetten:
 10.10.255.0/30 >> R1-R2
 10.10.255.4/30 >> R2-R3
 10.10.255.8/30 >> R1-R3
 rip router R1
 netwerk 100.0.0.0 vergeten in R1