Other Network Architecture Subjects

Hi,I have a client who wishes to use a single T1 to carry data and voice between sites.I believe I can use the VWIC2-2MFT-T1/E1 to split the T1 into data channel & TDM voice groups, but I'm kind of struggling with the concept.I'm good on data, but do...

I'm a beginner when in comes to IP subnetting.I have a class A ip address using 20.20.20.0. How do I go about subnetting this ip address???

Does anyone have step by step instructions on learning subnetting?  I would really appreciate the help..

One of my integrated BRI slots is broken but lucky as I am I have a free T1/E1 PRI interface unused and unplugged!It's a UC500.The BRI was using the two possible channels.How can I configure the PRI slot to communicate with the provider's NT1I know i...

I recently upgraded the code on one of our6500 switches. Ever since the upgrade, I can log into the switch with no problem. However, when I go to enable mode, it prompts me once again for the username before the enable password. Not sure if anyone ev...

Dear Sir or Madam,We have this requirement: +---------+Dial-up1-PSTN--| |-Etht / Dial-up2-PSTN--| Dial-up | to LANDial-up3-PSTN--| RAS / | |Dial-up4-PSTN--| Router | LAN Public Internet. | | | ...

myrouter(config)#no ip access-list extended TESTmyrouter(config)#ip access-list extended TESTmyrouter(config-ext-nacl)#remark This is a test.myrouter(config-ext-nacl)#remark This is a test.Duplicate remark statementmyrouter(config-ext-nacl)#exitmyrou...

I have enable DHCP on my 1721 but it will not seem to work The clients see not DHCP server on the LAN. Any Help? Here is my current config file.Current configuration : 1967 bytes!version 12.4service nagleno service padservice tcp-keepalives-inservice...

i recently accidentally changed my configuration register to 0xfe3f on a cisco 831 router and reset it, i thought this would help on refreshing the flash since i had previously lost my IOS from flash and all available images i have on other c831 rout...

I am drawing a blank, for some reason i can't get the command password 7 to work. It keeps saying " invalid encrypted password. Can somebody tell me what i'm doing wrong?thanks,

Hi all,We have a customer that requires ISDN-X.75 connection as a back-up for IP. This is used by emergency services that require redundancy. We have to build a test set-up. We have two routers with the modem cards and with                 HWIC-1CE1T...