Routing

We got an email stating one of our Cisco routers was an open NTP server.The router only needs to be able to sync its time with a internet based time server. It does not need to serve its time to anyone else. So I did the following:access-list 30 perm...

Hi Guys, Need some suggestions here..CE is running ebgp with SP MPLS PE router. I am receiving around 7k prefixesshould I run iBGP between the CE between CE and CoreSW1? or OSPF

All,How do you manage IOS updates? From that I mean, when you have a large enterprise, do you methodically do a site at a time, blast all images out at once and then schedule reloads? Do you update over the wire or do you copy the image to the site t...

       please see the attached "show policy-map int" in my core MPLS router. here are some facts about my policy-map QOS-WAN:VOIP : get 40% bandwidth,     Multimedia: get 36% bandwidth, by default,  the router set the queue limit  to 13477(packets)BU...

I am setting up a shaper for my ISP facing interface.I went to apply max-reserved-bandwidth 100 under my interface My question is, how do I apply the same command or something that does the same thing?policy-map Shaperclass class-defaultshape average...

This is a new router to our numerus WAN locations running IPsec. When the Cisco 2921 router would not establish an IPsec connection with our other sites we fell back to a 2851 router running adventerprise IOS which worked fine.Is there a differance i...

Hi we are using the profile of 10% Real time, 50/30/15/5/0 for QoS in the MPLS network, (COS1, COS2V, COS2, COS3, COS4, COS5)that means that we configure 10% for voice, 50% of remaining bandwidth for video, 30% of remaining bandwidth for critical dat...

We have a Catalyst 3750G switch with about 10 VLANs.  Most of the VLAN's have helper IP's to a DHCP server.  We've just purchased two Cisco 2600 WAP's to include public access, and we want to connect them to their own VLAN and restrict access on some...

                   Hi Please refer the attachment of the topology and the here why Only redistributed IGRP routes will appear in Area 1 and advertised via type 7 LSAs   and why not RIP routes will be advertised.PLease clarify.Thanks in advance.Naveen...

                   HiIn NSSA area LSA types allowed are type3,and 7. Wether the stybby areas allows type1 ,2 and 4 LSA's irrespective of total stubby r totally not so stubyy areas.Please clarifyRegards,Naveen

Hi. I have a problem in my network regarding a backup router, i have configured the frame relay successfully using sub interface method on 2 other routers and they ping each other fine. I cannot get the backup router to ping and i cannot get the serv...

Hi all,We are facing ip packet drops to most of the subinterface with packet size of 1500,we have configured ratelimit also,Please Find Below details and kinldy explane why we are observe packet drops and how to resolve it.Kinldy help.interface Gigab...