I need some help getting my Cisco 1841 set up correctly. My ISP is weird, so it is making my head hurt. I have 5 static IPs but the ISP gives my wan address as a DHCP address. So i need one FastEthernet port to act as my Gateway to my ISP and be conf...
Routing
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Forum Posts
we have some unusual issue when our core 3825 series router dealing with NAT !first off to offload traffic we have two router one 3825 and other 2821 configured to support GLBP . interface GigabitEthernet0/0 ip address a.b.c.d 255.255.255.0 ip nat ...
Hi All,I have a NAT Router before a BGP Internet Router set up as follows:LANs 1 and 2 ==> NATRouter ----> BGPRouter ==> ISP 1 and ISP 2On the NAT Router, 2 distinct LANs (10.2.8.0 /24 and 172.16.0.0 /16) come in from 2 different Interfaces but go ou...
Hello! I'm a newbie, so I bag a pardon for probably a stupid quiestion in advance..Here's a scheme of what I'm trying to reach: http://imageshack.us/photo/my-images/202/50119184.jpg/The red computer generates custom UDP packets which I'd like to rece...
Hello, I have to configure a Cisco 2811 router that have 2 Fast Ethernet interface, in order to have a p2p connection with my ISP. The FastEthernet0/0 will be used for the p2p connection with the ISP, the FastEthernet0/1 will be used to route my pubb...
Resolved! Atm Switch and Frame Relay Switch
HiI know the differences between frame relay and atm. Atm uses a fixed-length packet where Frame Relay uses variable length packets.But; What is the differences between frame relay switch and atm switch? Why does Cisco use same icon for both of them...
everyone bare with me here as i am a beginner CCNA. I am in college and i have a basic knowledge of this stuff. Here goes... I have a cisco 2801 router, My ISP in which i receive my bandwidth from has assigned me a ip address/gateway etc for my FA0/0...
Hello,I have a Cisco 2600 with IOS 12.3. I need a very basic configuration to allow traffic between two LANs. To test this I cleared the router config to the factory default state and configured my network addresses on the interfaces.When I connecte...
Resolved! strange issues with memory and flash :
HI all today i ran in very strange issue ,i was unable to telnet my router . when i logged via console , the following messages appeared .Dec 17 08:50:19.618: %SYS-2-CHUNKEXPANDFAIL: Could not expand chunk pool for ipnat globaltr. No memory available...
Resolved! Limiting the backup traffic on WAN link
Dears,I have a scenario where i have two datacenters with two core switches each. Backup solution is hosted in one of the DC. Eventhough i have 1Gbps dark fiber links, it is almost utilized to 980Mbps and we are facing serious performance issues with...
Hi.I've read that It provides no authentication.I know one of the reasons ppp Is used over HDLC Is because HDLC doesn't provide authentication. I took one of the ICND1 module tests on this site and one of the answers concerning HDLC states that It d...
Hi Experts,We are getting slowness while accessing one application.After taking pathping we observed some drops at one hop. Can you pl's explain how pathping works.Also below is output, why we are geeting drop at one hop.C:\>pathping 10.129.40.97Trac...
Good Day Everyone.....Recently, we had a 3750X stack of 9 switches reload with no information as to why. Our syslog server received no spurious errors regarding the cause nor did the location lose power. The UPS to which it is attached logged no glit...
I have a Cisco 1921 in place with the security IOS so it is also acting as a firewall.I am wondering if I can enable the GUI so I can configure it remotely. Is that possible?Thanks
Resolved! 1921 NAT/Remote access config help
I have to open several ports from the WAN to LAN on a 1921:For example:Say I need port 41795 both UDP and TCP to go from the WAN to the LAN, can someone provide me the context I have to follow?Currently I have this in placeAnother piece of this is th...
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