Other Network Architecture Subjects

I have a 3640 with an E1 PRI module and 12 port digimodem. The PRI is used primarily for DDR with remote BRI routers, it has also been configured for use with a digimodem module for analogue dial-in. My problem is that I’ve never configured analogu...

Cisco 2620 Router in London with ISDN PRI interface is unable to established layer 2 connection to Telco Switch configure with DASS2 signaling protocol. Router currenty is running 12.1.5(T8) IOS. Do, I need to have the Telco change the signaling p...

HiI have two external peers connected to my AS on single routerStrangley one of my IP blocks is advertising to one external peer and not to otherRoute block is originated by one customer well coming to my router but sh ip bgp command showed the it i...

I have 4 7.1 MB ADSL Lines comming in from the TELCO. I need to combine these DSL lines somehow onto a single LAN.Can I do this using some kind of multi-homed router?How about 4 10MB ethernet lines from the DSL modems into an Ethernet Swich and from ...

Can a distribute-list for eigrp be used on a BVI interface of catalyst2948G-L3? access-list 1 deny 0.0.0.0 router eigrp 1 distribute-list 1 out bvi 1 Regards, Mahe

Can anyone tell me how to set up my test lab to check the performance of ospf protocol. I have 3 routers in lab , I configured all ospf features on these. Now I want to test the performance, is it possible with 3 routers or could u tell me the minim...

I have a 3640 connected by frame relay. all the sub interface are point-to-point and have 30 bits subnet on the WAN interfaces.How come that I can ping the network IP address e.grouter1 s0/0.16 -->10.4.255.5 255.255.255.252 s0.17 -->10....

This is just a theoretical case, I have two ppp links, one of 2Mbps,one of 512 Kbps, in the link of 2 Mbps I now that my usage will be in top usage 512 Kbps, this value is only achieved once a month, do I have any advantage of having the 2 Mbps li...

I need to stop the traffic from our internet mail server trying to use the WAN link that we have with our customer, because it has been set up to only allow terminal session connections. The WAN connection has been set up under specific security requ...

Site A has core configuration with two 6509s switches and two 7206 routers. Site B has a core 7206 router. Site C has a core 7206 router. Sites B & C connect via a 10MB network There are a total of 4 T1 circuits available at Site A. Two of them termi...

I have been working on a network migration from one frame-relay carrier(MCI) to a new one(Intermedia). The client I am working for has never used any system logging for their WAN. They have 180 remote sites composed of 1600,1700 and 2610 routers for ...

I have a 3640 as the wan router for a site. The customer wants to have two links to the internet from AT&T and Spint. What do you think is the best way to achieve this?

Fellow engineers,I did a lab scenario utilizing bgp router refectors and and ran into a problem in which the router reflector would not reflect routes until I disabled sychronization. Could someone further explain the mechanics behind this.It doesn'...

Hi,I want to restrict ICMP flooding on an interface ..the way i want to do this is who ever trying to send continuous ICMP requests to an interface will get reply for the first two hits..all the remaining packets should be dropped.Is there a way to ...

We currently have 2 sites seperated by about 4 miles. Currently the two sites are connected over ATM. The physical layer is single mode point-to-point fiber; I.E. the actual fiber run is direct from one site to another site. The current DB loss repor...