Category Archives: CCNP

Error-Disable

Posted on 30 May 2017 by

When a network port encounters an error. This port is automatically shutdown to ensure network stability. When error-disable is enabled. The predefined error are as follows; arp-inspection bpduguard channel-misconfig dhcp-rate-limit              gbic-invalid                 l2ptguard                   link-flap mac-limit link-monitor-failure loopback oam-remote-failure pagp-flap port-mode-failure psecure-violation … Continue reading →

Posted in CCNP | Tagged , ,

SSH error on cisco router

Posted on 14 March 2017 by

Enabling SSH on a Cisco router is not enough to guarantee SSH is working. Enabling ssh version 2.0 on a routers is as straight forward as;. >ip ssh version 1-2 I surely recommend the use of version 2, because ssh … Continue reading →

Posted in CCNP

DHCP Helper address

Posted on 6 March 2017 by

Which source ip address is used when relaying a dhcp-request ? Continue reading →

Posted in CCNP, GNS3 | Tagged , , , | 1 Comment

Extended IP Access-list

Posted on 19 February 2017 by

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 →

Posted in CCNP, Commands | Tagged , , , ,

Cisco Express Forwarding

Posted on 7 January 2017 by

Differences between IP CEF , fast forwaring and processor based forwarding. Continue reading →

Posted in CCNP, Commands | Tagged ,

CCNP Books have arrived

Posted on 17 December 2016 by

The 300-115 (switch)  book was already in my possession.  This week the last two books arrived; 300-101 (route)  and 300-135 (tshoot). For some time I was cramming labs from whichever tutorial I could lay my hands on. Now the study … Continue reading →

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