Routing

Cisco 861 / DSL WAN Link

My first post here, greetings to all. A little background to let you know where I am coming from; I will try not to bore you. Currently I am a student at DeVry studying for my NSA and NCM. I wanted more practice than what I was getting, so I bought...

Regarding tunnels

Hi coluld any one please share the knowledge on what are tunnels and why do we use. How many diffrent types of tunnels exist and when do we use those specific tunnels.Thanks in advance,Naveen

Bandwidth Planning Query

Hello,I have a query regarding bandwidth capacity planning.If you monitored a 4 Mbps WAN link over a number of months, and saw that the bandwidth utilisation never peaked above 1.8 Mbps, would it be safe to assume that you could reduce the bandwidth ...

Resolved! Confusion with multiple upstream eBGP peers (Routing beyond our control)

I am imagining a smallish networking (AS1234) with say three full BGP table peers that provide transit to the network (just to keep the maths simple here);Lets say AS100 and AS200 are preferred transit providers with AS300 as a backup/least prefered ...

Resolved! Using iBGP and an IGP - Where is the cross over point?

Where is the cross over point of using an IGP and iBGP?I recently came across a service provider network where the IGP was ISIS. The only IPs from each router being advertised into ISIS where the loop backs and core link interface addresses. This is ...

Cisco 7609 error messages

Hi! Today , I found that some of the error messages from the Cisco 7609 Oct 12 02:42:57.529: %EARL_L2_ASIC-DFC7-4-DBUS_HDR_ERR: EARL L2 ASIC #0: Dbus Hdr. Error occurred. Ctrl1 0xB0000EBDOct 12 04:53:08.396: %EARL_L2_ASIC-DFC7-4-DBUS_HDR_ERR: EARL ...

3750 power outage during password recovery?

During a password recovery on a cisco 3750 switch there was a power outage and now I can’t console into the switch. Any Ideas on how to resolve this problem? Thank you in advance.

Unexpected issue with HWIC-2CE1T1-PRI card

Hi Team,.We are facing one unexpected issue with HWIC-2CE1T1-PRI that is installed with Cisco 3925 Router at one Customer site.Issue description: Whenever we try to shut or no shut the controller card interface , in sh isdn status it always show SHUT...

ISP router filtering traffic

Hi!could you explain the correct answer in the question shown?regards,Abdurahman

Cisco ASR Port Gi0

Hi,we have cisco ASA router 1004 , router have one inbuilt port Gi0 .. which is for management , can we use this interface for normal routing purpose.if some one tried let us know.R/Sanjay

Logical Network Design for WAN

Hi!could you explain the correct answer given in the question shown?\regards,Abdurahman

Question to Class of Service

I have had lot of discussions on the below question .. maybe somebody can guide me to a 120% watertight answerIf we have say 30Mbps IP bandwidth and the customer requests 8Mbps Rt-Vo (EF). I understand that is there is no Rt-Vo traffic this 8Mbps is ...

Resolved! cisco 851 + two internet providers

Good Morning,Can I use cisco 851 as gate for my LAN with two providers ?Router#sh versionCisco IOS Software, C850 Software (C850-ADVSECURITYK9-M), Version 12.4(15)T13, RELEASE SOFTWARE (fc3)Technical Support: http://www.cisco.com/techsupportCopyrigh...

flow control on etherchannel

Hi For two wan link currently ports in etherchannel is bundled without any neigiotation protocolIt is configurted with on mode .when i tired with lacp or pagp it is not geeting bundled.All the parametes are matched expect the flow control .on site 1#...

ASR 1000 Multiple ISP Load Balancing

I came up with a few ideas to Load Balance based on multiple ISPs. In our network setup we have a distribution layer of 3750s going to anASR 1000 Series Router, which goes out to multiple ISPs, ISP1 and ISP2.So let's say we also have a virtual fortin...