Hi,After the configuration of NAT, my webserver (1.1.1.4) is not accessible anymore from outside (4.4.4.2).ICMP is working, but browsing is not.The problem must be a bad ACL configuration.I tried various configurations, extended ACLs, just to allow a...

Hi,I'm trying to understand VLANs and trunking.This (screenshot) is a working router-on-stick example with 4 VLANs.V40 is native Vlan 40 (ADMIN, manage)All gig1/1 & gig1/2 interfaces are trunks.My question is about the output of S1#sh int gig1/1 swit...

Hi,I have a question about OSPF, default route distribution and the network statements.This is an exercises from my CCNA class, see attach for the setup.Between ISP and Router A1 we have to use a static route, default route => ISP.Network A1 - A2 - A...