Routing

hi allI understand the BGP routing protocol and how it works, and why ISPs need BGP to exchange routes.but why would an Enterprise use BGP for their internet access ?if it all what they need is the internet access, then they can simply forward the tr...

Dear All,I have one customer who bought Cisco ASA 5510 and Cisco 1841 Router. He's just subscribed the new ADSL line from another ISP (WAN 2) which is connected to the Cisco Router 1841. Before that, they could connect via VPN to Cisco ASA 5510 from ...

Dear All, My customer's network was designed as follow diagram: Hardware:       - Cisco 1841 running version 12.4(20)T6       - Cisco ASA 5510 running version 7.25K8 Current:       1) All mobile client access VPN via LEASE LINE LINK. They access norm...

I have a really weird issue with a 3750 stack.  A gig port, 1/0/25 has an IP phone in it.  Works fine.Port 1/0/48 has same exact config.  When I plug a phone into it, it will power up, but it will not register.When I move the phone to port 25 (after ...

Hi,I wanted to see if anyone has had issues with upgrading to 7.6 images on their AIR-CT2504 or AIR-CT5508.  I have one unit in the lab that refuses to update and I had a customer call me today with the exact same issue.  Maybe someone from TAC has i...

I have a 40 Mb MPLS link with 20Mb gold car for 1000 users. These days my users started downloading MB's of data from my head office. i have recently modified the existing QOS policy to restrict FTP & Filesharing to 7Mb. still i could see when someon...

We had received  from google security that most of cisco and Juniper Devices are affected by Heartbleed vulnerablity.. This is one the security threat in network.  How to fix this bug.. How to detect wheather this Vulnerablity was affected on our dev...

Here is the set up.  I have two routers for redundancy between them.  They connect to my corportate networe via GRE tunnels using DMVPN as part of a /24 network.For the redundancy between them, I am running HSRP.  To trigger the failover, I am tracki...

I have thomson DSL modem which i Configured as bridge mode and do pasted configuration on cisco 881; interface FastEthernet4bandwidth inheritno ip addressno ip redirectsno ip unreachablesno ip proxy-arpip route-cache flowduplex autospeed autopppoe en...

We have a scenario that has been tough to figure out. We are in the process of migrating our systems to another building, and in the interim our ISP has created a split local loop, so that we can use our public IP range at both buildings. This has be...

I am studying for my CCIE lab using Narbiks Advanced Workbook Vol4 and during the EIGRP router topology setup he says "F0/0 interface of BB1 and R1 should be configured in VLAN 11".I am unsure of how to assign a router port to a VLAN. Is he talking a...

Hi to Everybody,Just would like to understand what is involved behind a SPF re-calculation. Does SPF calculation involves the establishment of a new adjacencies with it`s neighbor and a generation of a new ip ospf database. I really never could under...