Routing

Hi ive got two sites with a cisco router at each, we primarly use our main lease line for normal operation which is connected via the fa0/1/3 port on each router. if the line goes down then we have another leased line we can manually switch to which ...

Hello friends,I have two offices to be connected over 3xT1 lines, I have placed router at both end, both routers are able to ping each other, but LANs are not connecting. my configuration is :Current configuration : 1241 bytes!version 12.4service tim...

Hi,I have to replace my cisco 8540 switch with any other suitable switch/router, we are only using this switch to split PVC's.155M Wan comes into this from my service provider, into 8540 and here we split into 3 differnt pvc which then sepreatley con...

Hi,I have two sites one with a 1811 and the other with an 831. Both sites have an internet connection and there is a VPN Tunnel between them.I want to implement QoS on the Tunnel interface as I want to prioritize voice traffic through the Tunnel. T...

Hi, anybody knows what the recommendation for maximum serial link utilizations (70%, 80% xx? )?More than this value the router will drop packets ?

OSPF HELLO pkt contains hello interval as well as router dead interval.Why Hello interval is 16 bits, & Dead interval is 32 bits?

Hi all,Does anyone know how to implement VLAN's on a 2851 using the two Gig Ethernet ports whilst maintaining redundancy between both ports (ie BVI)?I realise you can create subinterfaces on an individual port basis, however that won't provide redund...

Hi, I have 5(Cisco 1841)PPP T1's terminating to a 2851- from the 2851 ATT has a router with routable IP's on the LAN interface to go to the Internet. All the t1's can ping the Serial interfaces.I can ping the Internet from the 2851 but cannot from th...

We are deploying a bridging escenario using 2 routers 3845 linked by a bundle of 6 e1 under PPP Multilink...when we want to pass ethernet frames over 1500 bytes they don't,when we test without bridging the frames pass without problems. Also we want...

Hi I have 8 , 2600 routers in the lab enviroment. I want to connect them together in different topologies, but they only have two ethernet port and no serial one.I wanted to ask if I should buy new ethernet or serial cards or use a switch to get more...

how many types of ACLs are there?can someone provide me good template to write an ACL?

Hello,I have the following configuredfr_hub#sh run int s0/0.201Building configuration...Current configuration : 124 bytes!interface Serial0/0.201 point-to-point ip address 202.2.2.1 255.255.255.252 frame-relay interface-dlci 201 IETF fr_hub#sh run ...

Hi, If the serial link is down the load in the show interface serial X will be 1/255. But actually there will be no traffic in the circuit. Can anyone please answer me why it is 1 bit in the load ?

So today in the Frame-relay world where we have traffic shapers and hierarchical policies, each policy-map associated with a bandwidth value can be leveraged to use percentage-based policing.For example, for a 256k circuit i can have a common policy:...