Category Archives: Commands
Session logout Juniper
Once in a while a run in to an orphaned tty session. Somebody logged on by means of serial cable, and left while forgeeting to log out. ninja@someswitch> show system users fpc0:————————————————————————–11:47PM up 252 days, 14:55, 2 users, load averages: … Continue reading
Custom logfile on Juniper
Recently I placed a switch for a project. And now I want to see how often the switch is used by wired users. Lets for argument sake asume interface bounce is not handled by the standard log files. Juniper provides … Continue reading
GNS3 caveat – port status
Creating a network lab in GNS3 is reliefs on budget. But there are some drawbacks. One of which is port status. I have noticed that using GNS3 in combination with iouyap results in some unexpected behavior. Once a topology is made … Continue reading
Extended IP Access-list
As we all have learned in our pursuit to CCNA there are many different types of access-list. In reality most commonly used are ip access lists. Major difference between ip standaard access-list an ip extended access-list is the ability to … Continue reading
EIGRP neighbors
Cisco EIGRP protocol allows different methods to form neighborship relations. Default method is form neighborship automatically via multicast (multicast address of 224.0.0.10 is used) After an adjacency is formed ‘hellos’ are sent using IP protocol 88 (eigrp). This means that; … Continue reading
Cisco Express Forwarding
Differences between IP CEF , fast forwaring and processor based forwarding. Continue reading