Switching

Hello everyoneWe are having some strange arp issues in one vlan. Suddenly, some devices (not all of them) from vlan 1 are not able to ping vlan 2. Interface vlans are located on different switches and I have to manually clear arp in vlan 1 to make co...

Hello everyone,I am trying to study for the CCNA test and I'm working with 2 switches trying to configure vtp.The first switch seems to be ok but the second switch when I go into config mode the only option undervtp is file.  How do I get to the othe...

Hello everyone.Due to the error "%NGWC_COMMON-1-WDOG_CPUHOG" and to resolve the issue I have upgraded the switch software to the latest version 03.03.04SE:Switch Ports Model              SW Version        SW Image              Mode------ ----- ----- ...

Hi,Am I able to mix and match IPservices and IPbase licenses in a 3850 stack? I have done this on the 3750s before no problem. I assume also i can use the C3850-NM-4-10G with either feature set, regardless of it being services/base?What is the maximu...

Am having a problem on my new Cisco Router 1921 series, When i connect to the console am getting the attached error please advice   

Hello I want buy a Catalyst 2960 but i don't now which is great for my situation.Model : WS-c2960-48TC-S (LAN Lite - 400 euro) vs WS-c2960-48TC-L (LAN Base - 900 euro) the difference of price is half.I need 3 VLAN (2 VLANs with data  and other VLAN (...

CCNP Switching 642-813Official Certification Guide978-1-58720-243-8//---I have a question with information provided on page 79-80. The following example is detailed for trunk port configuration.(config )# interface gigabitethernet 2/1(config-if)# swi...

Hello,We are planning to migrate our VSS setup from Dual to Quad design.can any one share the experince of what happen if Active VSS SUP-720 fail, does the full chassis reload or only the ICS reload and come backas VSS Standby and ICA.we are trying t...

10.1.32.64/26 10.1.32.128/26 summarization = 10.1.32.0 /2410.1.32.1 belong to which of the original network 

 Im trying to implement my University network. Just the lab network.Now my university is using class B to the labs and other computers and class C to wireless (AP)And i divide my ips like that:Class CLab 1ID : 192.168.0.0Start : 192.168.0.1End : 192....

 What is the second, third, etc. next-hop address in the route-map set command for?route-map TEST_PBR permit 10 matchmatch ip address 101router(config-route-map)#set ip next-hop 1.1.1.1 ?A.B.C.D IP address of next hop