Routing

I am new to routing and switching.  can someone please tell me what is the purpose of serial interface on a router and is it used in latest routers?

Hi I have a Router connected to the Internet The same router is connected to my MPLS As the MPLS circuit is down , I had to create a GRE tunnel to other end using the Internet Question I would like to reserve 5 MBit bandwidth and the rest 5 MBit for ...

I have a cisco 1921 router and I cannot get into the device any more because of the defaulted one-time cisco username and password. How can I reset the device to factory and set my own username? Also, where can I download/use the cisco configuration ...

Hi, In ASR9000, we can see a route-policy when show bgp neighbor x.x.x.x. This route-policy is for filtering prefix. but under interface for connection to bgp peer x.x.x.x, we also can see an access-group, which also is for filtering prefix. My quest...

hello guys,i need to configure a C887 router as:FE 0/3 for network 192.168.1.0FE 0/0 to 0/2 for network 192.168.9.0VLAN2 for FE0/3 with 192.168.1.197VLAN1 for other ports with 192.168.9.1i need each device in network 192.168.1.0 see each device in 19...

I have scoured the forums and see there are folks with the same problem I am having, but there seems to be differing opinions on the cause. I have several 2900 series routers running different versions of code. The code ranges from 15.1(4)M8 to 15.4(...

Hi All..We are about to install new cisco 2900 router very shortly. I would like to know following since I have not experience about Cisco 2900 router.We purchaed the followings from vendorS29Uk9-15102TSL-29-DATA-K9SL-29-SEC-K9It seems like SL-29-* i...

Hello, I am configuring new 48 port 3650 (15.0) and the command in a template is "system mtu routing 1500". I did configure an int vlan but left it shut down with no ip address and that command still did not go through. It seems that command is not a...

Hi If I have to roll back below config :-ip nat outside source static x.x.x.x  y.y.y.y Then do I need to first use clear ip nat outside/inside x.x.x.x y.y.y.y>>removing  existing translations for those particular IPsand then use no ip nat outside sou...

For a branch router, 1 WAN interface with committed rate lower than line rate (1Gbps), and a 1Gbps LAN interface. QoS policy is applied on WAN outbound direction to protect voice and some other traffic. What would be a reason to apply QoS policy on ...

Hello all, No matter I search about CFC, DFC, MSFC, PFC, SP&RP ..., I don't still understand clearly because there are difficult terms... The question I want to know is below. 1. Centralized forwarding On Cisco documentation, there is a sentence "CF...

We have created a new BVI interface on our ASR9912 routers for a video network. After we created this BVI it has been creating latency on our Phone circuit connections (PRIs) that connect to the same ASR router on a seperate VRF. We have tried to con...

The Scenario is : We have 2 ISPs and a Cisco router 2911  ,  I would like to know how to configure the router that a ISP is primary and another ISP is backup  while the primary ISP work the secondary must not work (standby), so when the primary ISP l...

Hi! I am getting an issue with a Cisco 6509-E switch as it goes to rommon mode each time it is restarted. From the rommon mode, the switch can only be booted when using the IOS from the PCMCIA card (disk0). Following successful booting from disk0, s...