Other Network Architecture Subjects

Is there a way to reboot only the 3G modem card on a cisco router without rebooting the router? We have a cisco 881G with a PCEX-3G-HSPA-A card and sometime our ISP ask us to reboot the modem. We use the 3G card has a backup connection. If we reboot ...

Good evening.The book in question is the CCNA ICND-2 Official Study Guide from Cisco Press, 2nd edition, copyright 2008 by Wendell Odom.  Specifically I'm referencing an example of standard ACL configuration, the example situation found on pages 241 ...

Hi, What is actually "clockrate"?Why is it only needed in synchronous links ?What is the actual difference between synchronous and asynchronous communications ?How clockrate differ from bandwidth ?I don't want just the definition.I need some explanat...

Hi Experts,We have a problem on C2821 router , we don't have compact flash as far as I know we can run from the built in memory unless the  IOS is corrupted. I have already issued the command Confreg 0x2 and I keep coming  back to rom monitor mode--...

Hi,Is there any tool on cisco.com hopefully an API that can be used to look up information about a device based on a serial number?I'm working on a inventory management system and I have serial numbers of the Cisco devices. I would like to integrate ...

Hey all,Our company needs an OC3/STM1 interface. We have a 7200 router so we are getting the PA-POS-2OC3 with 2 OC3/STM-1 ports. This year we will change the 7200 for a 7600 which can suport enhanced flexwan for port adapters and spi for shared port ...

Hi, I have a Catalyst 6500 with X6K-SUP2-2ge, the IOS and bootlader image been wiped out, it starts in ROMmon SP modw and I can't switch to RP to start download the IOS using Xmodem, though Xmodem shouldn't work in ROMmon SP mode but the it's not gvi...

i have recently purchased the cisco 881w router with2.4 software installed on it.   i have tried to get into the internal page for the access point and nothing comes up except a enter button.  when i click on the enter button no page is displayed to ...

I'm setting up 2611 for NAT-PT with IOS12.2(13)T5.But I can not find "nat" parameter after "ipv6" command.How can I configure NAT-PT ??

I am trying to find out some exact details about what happens during a DHCP conversation between a client, server, and relay agent.  What I need is: what is the size of the DHCP packet in all forms - initial discovery from client, relay agent to serv...

Hithis was the result that l got but the problem is that  the file did not come from the hard disk into the flash memory the second time. I waited for at least 30mins and nothing happened. On top of the hyper terminal was the Transfer field which l u...

Guys,Can someone explain the default RPF selection rules implemented on Cisco router, i would assume this differs from platform to platform? My specialconcern here is routes announced within MBGP AFI1/SAFI2 in relation to unicast routes, and what eff...