• Cisco IP phone – Can’t receive external calls

    Using a Cisco 7961 IP phone and Call manager. I have loads of these working all over the world, yet I have one that receives and makes internal calls without issues, also makes external calls, but can't receive external calls. Everything looks like it is set up as all the others in this location....

    RichWednesday5 pointsBadges:
  • Cisco VLAN

    Hi, I want to know if there is any way to see the specific vlan configured on to all network without doing much of labour by loging in to every switch and getting the info. for example: ther are 30 vlans configured on core switch and through vtp domain, vlans are distributed on to 10 access...

    MirArifAli785 pointsBadges:
  • Masters in Network and Distributed Systems with CCNA????

    Hi Guys, I am doing my Masters in Networks and Distributed Systems. Currently I have 2 months vacation in hand and want to do CCNA in that time. Need help on whether it is good idea?? Will it help my Masters?? Masters in Networks and Distributed Systems with CCNA is a good combination?? Will the...

    Manojdhirde0 pointsBadges:
  • Cisco router 2821 configuration NAT and DHCP

    I trying to make it works but still to no avail. Maybe somebody can help me with my problem. I configure my router 2821 with 2 Gic interface and 16 ports fastethernet. Here's what I need to accomplish: Int Gi 0/0 WAN-outside Int Gig0/1 LAN-inside VLAN 5 DHCP  (another network) Note: LAN users can...

    Bonsan15 pointsBadges:
  • Mac access list

    hello , almost i disconnect any computer in my lan by making ip access list  in core switch but alway ip in changed for any computer so i try to make mac access list to disconnect any computer depending on it's mac address but in cisco devices there isn't any ability to make this can you help...

    Osamam815 pointsBadges:
  • Teaming Cisco switch ports for redundancy

    Is there a way to team 2 cisco switch ports so that if a cable is accidentally pulled, a user multi-million transaction wont be affected at his desk. How can we make sure that if a port goes down, a user's pc is still up?

    1478525 pointsBadges:
  • Suggestions for CCNP books

    Could anyone suggest me which book i should prefer for CCNP study(writer)

    Sunilpbh195 pointsBadges:
  • Cisco 2811 ccme config

    Hi guys, I have two Cisco 2811 routers. Each of them has 2 Fast Ethernet and 4 7960 ip phone. i need to set it up for lab purposes. how do i configure this?

    Joshlo5 pointsBadges:
  • Intervlan routing and internet access

    I configure 2 vlan on my l3 switch 3560,  1) vlan 1 192.168.1.0/24 2) vlan 2 192.168.2.0/24, Intervlan routing is working fine. Now i connected one router 1841 to l3 switch on port fa0/4 (which i issue command no switch port and give ip address 192.168.3.5/24) router interface is f0/1 ip address...

    Ekansh400 pointsBadges:
  • Recommend Cisco Home Lab

    Please give me your thoughts on the best way to setup a Cisco home lab. Although I need to re-certify my CCNA my focus is to take a deep technical dive and master Cisco before going on to next level(CCNP). I work with Cisco but want my own lab to experiment and try different topologies and...

    Learnteach165 pointsBadges:
  • VPN connection suggestions: Linksys vs. Cisco

    Does anyone have experience with/opinions on Linksys VPN router connection versus Cisco MPLS configuration? Any details or advice would be greatly appreciated.

    TeachMeIT975 pointsBadges:
  • Cisco VOIP

    merging data and voice network We hae seperate Data and voice network. For data network we have interface vlan 1 ip address 10.91.192.0/24 in one core switch 4506. For voice network we have interface vlan 1 172.20.1.0/24. Now i am going to merge data and voice network. But vlan 1 on these core...

    Ekansh400 pointsBadges:
  • How can I configure a Cisco catalyst 1900series switch to perform a LAN and VLAN functions

    I got a used cisco catalyst 1900 series. I have crimp the necessary cables(straigth-through, cross-over, Roll-over ether net cables). I need a help on how to configure it to serve a LAN and VLAN functions. Please the answer is needed urgently.

    Bigsammy2925 pointsBadges:
  • Free IT Book: Designing Cisco Network Service Architectures

    Designing Cisco Network Service Architecutres (ARCH), Second Edition, is Cisco authorized as a self-paced learning tool for CCDP foundating learning. Includes the latest in network infrastructure, intelligent network services, and converged network solutions. For those preparing for CCDP...

    MelanieYarbrough6,345 pointsBadges:
  • spam filter and cisco firewall

    Hi , I have a question. I have a spam filter barracouda . i have to configure it in my network . Firslty i have a static mapping on my firewall One public ip is bind with one private ip. now baracoda says that if you want to install it between a firewall and email server you have to assing the...

    Alikhan19415 pointsBadges:
  • Extended ACL

    How do I create an ACL for: Allow inbound HTTP requests to the www.yzcorp server. Add info: The www.yzcorp.com website at 10.0.1.2 is registered with the public DNS system at IP address 209.165.200.246       permit tcp any 209.165.200.246 eq www is not working.

    IFOY50 pointsBadges:
  • Packet loss in a Cisco 3750 stack

    I am seeing occasional packet loss in a Cisco 3750 switch stack. There are 5 switches in the stack. The client is on switch 5 and the server is on switch 4. The client is on a separate vlan from the server. I am not seeing any errors on the ports or VLANS or NIC's. Where should I be looking to find...

    Labnuke9932,960 pointsBadges:
  • Logical wireless extension to my corporate network running Cisco equipment?

    What is the logical wireless extension to my corporate network running all cisco equipment? We need to extend an outdoor portion of the network and want it to integrate with the rest of the network seamlessly.

    Troubleshooter24755 pointsBadges:
  • Best enterprise level wireless device?

    What is the best enterprise level wireless device? We have been looking at cisco and sonicwall. What would you recommend to serve up wireless connections for about 3000 users across a 300 acre spot? We want to blanket the community in wifi and have access available everywhere. If there are low...

    ITKE351,290 pointsBadges:
  • Netgeat Vlan help

    Hi, I have got a Dell L3 Switch (PC6224) 1x FSM750S 48port Managed switch 1x FS726T 26port smart switch 1x GS724TS 24port smart switch My aim is to create a number of Vlans, but I am not entirely sure if this will work with the hardware I have got. If anyone could tell me how to set trunk ports...

    Michi120 pointsBadges:

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