Routing

Hi.We have configured the route-reflector feature, but the "loop prevention" mechanism is still supressing multiple routes to the same destination."By default, all internal BGP (iBGP) speakers in an autonomous system must be fully meshed, and neighbo...

Hello everyone !I would like to prepare myself for new CCNA 200-120 certification. Of course, that means buy some book, what sholud be done with care. Which book is the best for preparation for mentioned exams ? I was thinking about:http://www.ciscop...

What is wrong with my config ?? Im trying to forward anything coming in on ports 27000 through 27040 tcp/udp and also 1200 tcp/udp to my server at 192.168.1.3 but, I just cant seem to get an open port scan from whatsmyip.org. The port inside is opera...

Dear, Currently, we have one ISP-1 and we are planning to have another ISP-2 ( see diagram): I have a couple of qustion and senario regarding the traffic managment for BGP:1- If the default route form ISP-1 and full BGP table from ISP-2. - I put loca...

Hello,I have 7206VXR acting as LNS. Clients received config via Radius.I am trying to set QoS and priorize ping (for testing) :access-list 150 permit icmp any anyI shape the Virtual-Access interface in parent class :policy-map Parent_test_1class clas...

Hello,I have a question regarding a 891 Series router.I know that there is a GE0 port (WAN) and a FE Routing port (FE8) and both of them are router ports.The other FE Ports (Fast Ethernet 0 to 7) can be also used as independent routed ports (maybe us...

                   After searching and reading many documents I still can not confirm the following: Serial 4A/S vs: WIC 1DSU-T1What is the difference between these 2 cards, is it just cabling? DCE-DTE vs: RJ-48?The lab I'm doing (Split-Horizon) call...

Cisco Router 2900 tell me this:My setup pppoe dsl 8mbps and i read on other website kinda sound of MTU.. but i dont know what is this or exact number of MTUPlease anyone can help to get out of thisSep 13 23:19:41.076: Vi2 PPP: Outbound cdp packet dro...

We use 2800 router as DHCP servers. We would like this routers to perform DDNS registration on behalf of the client:-ip dhcp pool DHCP   network 192.168.2.0 255.255.255.0   default-router 192.168.2.1   dns-server 4.2.2.2   !A dhcp request comes in fr...

Hi All,i just got a used Cisco 2821 router from Ebay. I have 1GB of memory in it and a 512 Flash card in it. The unit has no OS on it. Well it has a rommon 1 >Prompt.How do I update it to the newest IOS? It doesn't have commands I am used to, like CD...

Hi All,Witnessing a strange issue in our setup.I will try to sum up everything as below:* We have 3 ASR ( ISP Managed) on which we had terminated 3 ISP MPLS links.* 6500 is connected with those 3 ASR.* Out of those 3 links, 2 are in production in loa...

Hi,I currently have a single internet router which is multi-homed to 2 x ISP's.Eventually we plan to add a second router for greater resilience etc, but just for now we have a "warm spare" router which we can use in the event of a failure.Currently, ...

Hey everyone,I installed a set of 2911 cisco routers with BGP and two active/standby 5510 Firewalls at a customers location.  Now the customer is having a DNS issue.  Some website work correctly while some are not.   Has anyone had this type of issue...

Hey everyone, wondering if anyone has any inputs on something that's got me going in circles (literally).I have 2 PCs both connected to a router each. Both routers are connected to each other directly via a cross-over cable. All connections are FastE...