I just wana know about CRC erors,wht cld be the cause of crc eroors.I have cisco 1721 router and thr are lot of crc errors.Regards

I have cisco 2520 router ,in so and s1 port i have two 2 mbps data leased line terminated and the other a/s serial port i have 64 kbps internet leased line.Now i want to upgrade it to 128 kbps but some one has informed me tht this port can go upto 1...

I have 1721 Cisco router configure for leased lineWan Ip (so) :-203.228.128.2Lan Ip (eo) :-203.228.220.5I need to nat pool of 192.100.100.1 to 192.100.100.40I will highly appreciate if some one guide me for the same.waiting for reply.RegardsManmohan

I have a very simple query.........Leased line of 2Mbps is already terminated on cisco 1601 router but i have to configure ISDN BRI card .Please tell me how do i do it......I have a BRI card new brand Card so configuring BRI card to serial interface ...

I am trying to configure Cisco ATA 186 on linux server with Ip table firewall for the internet telephoney.This internet telephony uses SIP protocol and for this ATA box to work i open the reqd ports like UDP 5660 & 16284,16385,16386,16387. I already ...