Routing

Hi guys,I have noticed something very weird on our firewall this morning, i'm seeing ICMP traffic being dropped with the following source/destination addresses:Source: 10.150.0.0/16Destination: 10.201.84.0/16The traffic is originating from a VPN tunn...

My Cisco Router 2921 goes down and will be up after 5 or 10 minutes.

Hi I need a command for view input and output rate on all interface for device nexus 7000 and nexus 5000 The command sh interface show more information, I only need view rx and tx on switch 3750, 2960 i use sh interface summary and in nexus do not ex...

Hi all,This problem seems to be little bit weird to me. Some servers at remote sites but not all the servers are not opening couple of websites. We tried pointing it to correct DNS servers(including external DNS), tried to empty the cache from the we...

Hello, We have a public ASN and a public IP prefix (/22)We have 1 ISP on one router, we are going to add a new router (R2) to add more security in another datacenter with another ISPWe will use iBGP between the 2 router (we have a dark fiber between ...

Hi All,I have been searching for a solution to this question for quite a while and I have not found what I need just yet.  I have configured a dual cloud DMVPN that utilizes dual ISP connections at the hub and the spoke sites and it works fine, but t...

Hi,As per our observation, we are getting CRC errors on ATM interface due to Length Violation issue on multiple sub-interface PVCs.Now attaching here show tech-support of this Router and suggest on this further.Regards,Ashutosh

Hi, Could anyone please explain why we use IGP,IBGP and EBGP in a same Network topology.What is the use of running IGP in BGP topology. Synchronization rule in BGP says never use or advertise a route learned from IBGP unless same route is learned fro...

Basic CIDR question here, given a range of 10.0.0.0/16, and wanting to divide this range into smaller subnets, does CIDR require that you use equal sized subnets, i.e. all of the subnets would need to be /21s or /23s but not both?For example, is ther...

I have a customer with one particular site that is constantly complaining about performance. They have a 871 at the remote location with 4 IPsec tunnels built over to WAN connections back to their vendor that host the database and software. There are...

2 2900 Routers with VWIC3- 2MFT each side is connected to a PRI where clock is provided by carrier. 2nd port on each T1 has a Point to Point circuit to the other router with NO clock provided by carriers.What is my ideal clocking setup?Thanks!

I am trying to create a VPN tunnel between two Cisco ASAs where one ASA has multiple sub-interfaces.Say, In Cisco ASA 5550(in datacentre), I created multiple subinterfaces with VLAN ID as below:Inside, int0/1 : 10.1.1.0/24DMZ, int0/1.100: 10.1.100.0/...