Routing

I'm designing a ring network of about 18 Layer 3 switches and am intending to propose OSPF with BFD for sub-second convergence. Has anyone designed OSPF with BFD to support sub-seconds convergence? BFD is better than OSPF fast hellos as it takes some...

Hi folks,I have a small office with about 20 people.  I currently have a T1 line which feeds a Cisco ASA 5505.  I would like to replace the T1 line with two (2) ADSL lines.  I need a dual WAN switch/load balancer.  I researched a bit and found that C...

Hi,At the moment I'm running a T1 to a Cisco ASA 5505 device.  I'm in the process of getting a backup ISP.  My question is, is it possible to configure this firewall with two ISPs so that the same  internal webserver can be accessed via backup ISP?Th...

Hello,I have 2 load balanced Cisco 877 routers each running  IOS c870-advipservicesk9-mz.124-22.T.bin and the latest modem firmware.(I have tried several makes no difference). The problem is that even though both lines are syncing at 16MB+ I can only...

VWIC-2MFT-E1multiflex trunk is just a cisco name?i don't know why call it multiflex trunk thank you

Currently i've established peering with my current ISP and are advertising our own prefix (129.x.x.x). We are intending to get another link from the same ISP however connection however the link would be at our other branch which is at a different loc...

Hi,I have a Cisco 800 series I need to allow access to our local server from a specific range of  external ip addresses.I was wondering what is the best way to go about this?I can open port for all external ip using this command:ip nat inside source ...

Hi AllI have had this card fall over in the following way 3 times in the past 3 weeks (??? to protect the innocent) :Feb 3 17:27:31.209 ACDT: %MBUS-6-SWITCHED_FABCLK: Slot 4 primary clock switched to clock 0 Feb 3 17:27:33.360 ACDT: %LDP-5-NBRCHG: LD...

I in the middle of a conversion to an MPLS network from a s layer two network and have ran in to an issue with my redundant links.Our network is a 20+ site network. The primary network is in a hub-spoke configuration with our telecom provider as the ...

At present I am looking to implement a backup for leased lines. The current situation is that there are 5 offices based in the UK, with the HQ being in Edinburgh, this is the only office directly connected to the internet. The leased lines are alread...

Hello,So, we have 3 different ways to configure and propagate a default route:1- Using static default route (ip route 0.0.0.0 0.0.0.0 next_hop) then redistributing it for propagation (redistribute static)2-  Using the ip default-network x.x.x.x. This...

Has the CGR 2010 been tested beyond 100 hours at 85ºC? If yes, for how long?Operating ConditionsOperating Temperature-40 ºF to 140ºF (-40 to +60ºC) continuous operating temperature range-40 ºF to 185ºF (-40 to +85ºC) type test for 100 hours at 85ºC

Hi all,I have a very common question with respect to T1 links. For a T1 having bandwidth of 1.544 Mbps, the upload and download are 1.544 each. What happens when I download 1.544 Mbps of traffic. Does it affect the upload because already 1.544 Mbps i...

Hi friends,I have this small network comprising of around 40 users complaining about the poor speed. And they have 2900 WAN router having 10M service. The interesting thing is that they are using proxy server for all the communication.I am very new t...