Internet Access through Cisco Remote VPN
Hi, Im having major issues in our corporate network, to make it short i had to delete all remote VPN’s on our ASA 5520 runing 7.4 IOS. I have recreated the VPN’s using the VPN Wizard using L2TP. Issue: The VPN Works fine i can access all internal resources but the issue is that the [...]

Answer Question   |  March 27, 2012  11:04 AM
Cisco VPN, L2TP, VPN

Image upgrade
Hi all I want to upgrade the image of cisco switch 3750 12 S from c3750-ipbasek9-mz.122-55.SE5.bin  to  c3750-ipservicesk9-mz.122-55.SE5.bin so my question is if I bought one image can I install it to more than one switch same model.   Thanks

Answer Question   |  March 29, 2012  8:23 PM
Cisco 3750, Cisco switch

I cant Access web server from our LAN
Dear Experts, we have a 2851 router which interconnect our local network to public network. we recieve our internet on interface e0/1 and e0/0 restricted to our lan as below configs int e0/0 192.168.10.1 255.255.255.0 ip nat inside int e0/1 X.X.X.226 255.255.255.224 ip nat outside ! web server ip nat inside source static x.x.x.245 192.168.10.9 [...]

Answer Question   |  June 22, 2012  8:47 PM
Cisco 2851, Cisco IOS

HP Procurve Issue Passing Multiple VLANs over a link
Hey everyone, just to start off with I am a Cisco guy that got placed into an HP project. Basic topology overview from outside in: ASA 5505 with two Ethernet connections to a 2910-24 port switch. This switch is then (Cisco Trunking) to a 2626 switch passing vlan (1 untagged and 100 tagged)between them. I [...]

Answer Question   |  March 18, 2012  8:13 PM
HP, ProCurve Alliance, VLAN, VLAN configuration, VLAN Tagging

VLAN routing cisco 2960
i have 2 vlans in a 2960 switch .my question is that is it possible to use cyberoam firewall to route between the vlans.

Answer Question   |  March 29, 2012  7:08 AM
Cisco 2960, Cisco VLAN, VLAN configuration

WAN connectivity
Hi, I had a query regarding WAN connectivity. Can we provide WAN connectivity on ethernet ports(copper as well as fiber)? Because I am assuming to terminate T3/E3 WAN connection from SP on this port to provide 10 Mbos or higher bandwidth. And do this can be provided on branch routers of cisco like 2900 series.

Answer Question   |  March 9, 2012  7:59 AM
Cisco router, WAN

Command authorization failed.
I am remoting into my switch fine.  perform the commend “show run” I receive “Command authorization failed.”  any thoughts.

Answer Question   |  March 7, 2012  12:17 PM
Cisco, Cisco Command

MPLS-TP (PTN)
What is MPLS-TP(PTN) and how does it work? How can I connect it in a Transport Backbone network and in a access network?

Answer Question   |  May 27, 2012  9:33 AM
MPLS, MPLS VPN

VPN pass-through Cisco 1841
Hi there,  I have zywall p1 behind our cisco 1841 and i’m trying to pass-through vpn on a cisco 1841. ZyWAll p1 is terminator on the inside network and its ip address is : 172.16.178.1. But, zywall p1 is not our device its from other agency with which we need to establish vpn. Here is [...]

Answer Question   |  March 6, 2012  6:20 PM
Cisco 1841, VPN

Any way to prevent IP conflicts by plugged in devices?
Hi Guys We have a network with around 80devices, all PC’s are on DHCP however we have some people (mainly engineers) who sometimes come in and plug there laptops in however they forget sometimes they are on DHCP. Question was is there any way to prevent this from happening? not sure if there are any [...]

Answer Question   |  March 12, 2012  12:44 PM
DHCP, DHCP server, IP address

Is it feasible to have a global communication network without the transport layer?
Well this is the question .Thanks

Answer Question   |  March 2, 2012  12:25 AM
OSI, TCP, UDP

Router Extender can’t access Internet
I cannot access the internet through the router repeater even though I have full internet connectivity. I have an SMC gateway and believe that the Access List does not include the MAC address of the repeater. I cannot find out how to add the MAC to the access list

Answer Question   |  February 29, 2012  5:59 PM
Netgear router, Windows XP

Unidentified Network
I have a weard behavior in a small LAN where some PCs “wired” cannot get connected to the network nor get an IP address from DHCP. to be specific, the network has: 1. Win 7 clients, NICs have auto negotiate on, Jumbo packets off 2. Dlink unmanaged switch 10/100, 24-ports, all are auto negotiate, auto [...]

Answer Question   |  February 27, 2012  7:48 PM
LAN, Netgear, NIC

MultiWAN and MultiLAN
I have 2 WAN (Sify and Airtel) connection and 2 LAN (Sify is connected to LAN1 and Aitel is LAN2) working separately in a same phisycal location. suppose some one is working on LAN1 is want to acces resources on LAN2 they used to acces by Public IP given by ISP but the system is [...]

Answer Question   |  February 27, 2012  5:57 PM
ISP connection, LAN, WAN

VPN or PVC
Is it better to use a pvc for a remote connection or a vpn? Do you have to pay for a vpn connection? I am aware that you have to pay for each pvc connection. Thank You!

Answer Question   |  February 27, 2012  12:07 AM
PVC, VPN

IP forwarding
I need to forward through a Linksys to use a static IP Address

Answer Question   |  February 27, 2012  9:51 PM
Linksys Routers, Static IP address

iSeries NFS: Change from UDP to TCP
We are running on V5R4 and attempting to mount (via NFS) an external file system (Data Domain 530) onto the iSeries. Even though on the surface it appears that the mount was successful; you cannot execute any type of read or write operation to the mount. After running a communications trace, it was determined that [...]

Answer Question   |  March 19, 2012  10:14 PM
iseries v5r4, NFS, TCP, UDP

Internet Bandwidth Re-allocation
Has anyone had any experience with running 2 networks over one ISP connection each having separate allocated bandwidth? They now wish to change the bandwidth allocated to each network depoending on the time of day. One network would have the majority of the bandwidth during normal business hours then after hours most of the bandwidth [...]

Answer Question   |  February 27, 2012  1:16 PM
Bandwidth management, Exinda, ISP connection

DNS Name server IPV6
Hi, I have two questions 1)Can the same dns server resolve the same dns entry for an IPv4 nad ipv6 address 2)i have a ns record for “www” which points to an ipv4 address. Now if i create a quad a record i.e(AAAA)for an ipv6 address, it gets created without an error but i can’t [...]

Answer Question   |  February 27, 2012  12:29 PM
DNS, DNS Records, IPv6, IPv6 on Windows networks

Able to ping L3 VPN but unable to tracepath
I am running an L3 VPN between 2 edge routers and have connected one router to a client (Linux Host). I tried pinging from the client an IP address (present on the other router) that was learnt via BGP VPN. It’s pinging, but I am unable to do tracepath from the client. It gives me [...]

Answer Question   |  March 2, 2012  8:07 PM
BGP, L3 VPN, Linux hosting