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Resolved! Student

Hi, I am interest to start a new carrier in Networking. I want to pass the CCNA exam. I see in Cisco Press : Cisco CCNA Routing and Switching 200-120 Official Cert Guide and Simulator Library I want to know if that book is the best way to prepare my...

pjkoni001 by Beginner
  • 5 replies
  • 0 Helpful votes

Can't ping through SVI

I fell into a weird issue while testing the SVI. The scenario is pretty simple. I have one L3 swicth 3750 with IP routing enabled. Switch has two vlans- vlan 1 and vlan 10 Both have SVIs and are up Interface Vlan 1 ip add n...

Cisco 2960X --Stack Reboots When Console Cable Plugged In/Stack Not Coming Up After Upgrade.

Just about all of my organization's switches at the edge are 2960X series running 15.0 (2A) EX5....we have several hundred.   Now, these are some cool switches..I love all of the features...We can do some very cool things!...and with ISE we can do ev...

On a Cisco 2950 int. Fa0/10.15 ?

Hi guys, on one of my switch, I found this interface on a show run: XXX#show interface descriptionInterface                      Status         Protocol DescriptionVl1                            admin down     down     Vl9                          ...

Levante86 by Beginner
  • 7 replies
  • 0 Helpful votes

native vlan dismatch - looping situation

I was studying trunking protocol. However, I don't understand why I would create a L2 loop if I have a native VLAN mismatch on either side of an 802.1Q link?  What's STP MAC address untagged(0180.c200.0000)? Topology https://drive.google.com/open?id...

QoS Policy not activating

I am having a problem getting a QoS policy to activate. I have a 2921 ISR router with several VRFs defined on it, and several DMVPNs.  What I'm trying to do is enact QoS using a simple policy - I would think the place to apply it would be the router...

errdisable recovery

In 6500 and access switch, please let know the best practice for errdisable recovery. We had configured two 6500, for testing when we try to Switch off the active SW and again SW on the same switch all the uplink in the core switch come to errdisabl...

NX-OS OSPF Differences, Defaults

A couple of questions about OSPF on NX-OS. 1.  Based on a couple of different documents (I'll link this one:  http://www.cisco.com/en/US/docs/switches/datacenter/sw/nx-os/high_availability/configuration_guide/ha_overview.html), the Nexus 7000 has inc...

Resolved! Catalyst 2960-C and 3560-C Series Compact Switches

Hi experts, a customer of mine wants a 12 port Cisco switch (no PoE); I'm about to offer a 3560 Compact switch (WS-C3560CX-12TC-S) but  I wonder if there is any difference between the "standard Catalyst" and the compact series. Obviously there is les...

e.ciollaro by Enthusiast
  • 3 replies
  • 0 Helpful votes