Routing

Hi All, Company 1 - We have a Cisco 877 ADSL Router in operation that is doing Nat for a small office with a private internal range and DHCP. And a site to site VPN. All is great. There is one External IP that has a 24Bit mask.Company 2 – will be mov...

I live in Washington D.C area.  My house uses verizon service(DSL) for internet (Westell 6100 modem + route).  Also, my office uses Cox DSL line (Arina modem + Llinksys router)When I tracert to "google" it goes 10.x.x.x which is not my router, and it...

i cannot apply QOS to a vlan interface, it says configuration failed and i'm wondering why.see version of my ios Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.4(15)T10, RELEASE SOFTWARE (fc3)any ideas guys... thanks

We have established new IPLC link ( Point to Point ) from A to B ( Location using some service provider), A is having Cisco 1941, B is having Cisco 851, but when ever we try to ping from A to B or B to A there is lot of packet drops, some times it pi...

SLOT 1: Nov  9 02:24:36.595: %C7600_SIP200_SPIRX-3-SPA_INTERRUPT: SPA 0 -  seq err,  SPA Int status = 0x4SLOT 1: Nov  9 02:24:36.595: %C7600_SIP200_SPIRX-3-SPI4_LINKERROR: SPA Bay 0,  1 SPI4 Link FailuresConfiguration details of POS1/0/1::MTU: 4470, ...

Hello experts,i have a question implementing a DHCP backup over Layer 3.We have a couple of branch offices which are conected via layer 3 (ospf) to the main office. In each branch office and main office there is a DHCP server and on the vlan interfac...

Hello,I am using packettracer, and am having a problem pinging past the first router with my workstations in the below topology.  I cannot ping f0/1 or anything past it on router BLUE or RED.  Configs are attached.

is this possible to connect isdn line on VWIC2-1MFT-T1/E1 card... dont know.. or some one can guide me what all lines we can connect on this card ... really need this help

Hi,I got new cisco 2951 router and NM-1T3/E3. Per datasheet NM-1 T3/E3 is supported with cisco 2951, but there is no slot space or connector in slot. Do i need some other hardware in addtion to install this card in router?Regards,Kamalkashyap_kamal@r...

We are running IPSec inside of a GRE tunnel.  The question was brought to me as to how to actually show the GRE tunnel itself.  I know that I can do a show crypto isakmp sa and it will show the IPSec.  I know that I can show int tunnel0 and it will s...