Routing

Hi,I am facing a problem with ISDN backup for a Frame-relay link. The router is a 1841 with 12.1 IOS.The router works fine with the primary frame relay link. However when i issue a shut command on the serial frame-relay interface to test the backup, ...

what is difference between MPLS and tag-switching? are both terms are different? is there any good link or document for understanding the MPLS VPN basic with MP-BGP?

I have 2 1750 routers back to back with two point to point T1's and OSPF running. Why would one of the T1's (either) (show interface S0 or S1)intermittantly show either no transmit or no receive? All stats in service-module look clean. See attach...

I have two questions.1. I want to simulate software crash in a 6500. Will the command "test crash" crash the whole system, or will a switchover happens? Is it the best commmand to simulate a software crash?2. Under what situation a "Software-forced r...

Dear Sir,We will connect one cct from hk to usa with DS3 b/w. what setting do we aware? e.g. the clocking setting. please advise.Best regardsCM Leung

Folks, I do 'show ip int brief' on a remote Cat 3750 and I see the info pasted in the bottom of this message.My question is, is it a sure thing that the interfaces below are copper interfaces GigabitEthernet1/0/1, not fiber? Imagine I need to connect...

Hello,we have a problem with several Cisco 3825 and a VWIC-2MFT-E1DI module installed.When yoe connect 2 E1 links (channeled) on the interface there is an increasing number of CRC errors and also a loss of pings.After installing 2 moduls and putting...

Hello all,I have a Cisco 877W router that is connecting successfully to SBC DSL service. We can get out to the internet just fine, browse the web just fine (though I do have another question about DNS and what the clients "see" as their DNS server, ...

Hi,Does anybody know how to obtain serial number of 7200 router remotley.Regards,

I tried configuring an isdn wan connection recently and after inputting all the necessary data such as the isdn switch type, dialer list, the ip adds. of both bri0 interfaces and then manually mapping the ip adds to the corresponding telephone nos., ...

Hi, I have a router Cisco 871+ for Ethernet Access 1Mbps.However for the past few months, I have been encountering intermittent network disconnection at least twice a month. I have checked with my ISP - they have performed some circuit test on their ...

Greetings,I have an 1841 router eith a WIC-1B-U V2 card installed and not yet configued. The router also holds 2 WAN Ethernet connections through its FastEthernet ports Fa0/0 and Fa0/1.I need to know where to start to have the following configuration...

Hi All!I am not sure what the CF-Adapter-SP on the WS-SUP720-3B is and is it a bit of hardware connected to the SUP720 or is it part of software. Also, I had been told that the presence of the CF-Adapter-SR on the SUP depends on the spec of the SUP7...