Routing

While I was searching I found this on net: it was answer to one of the CCIE question:CGMP is the Cisco Group Management Protocol (CGMP) which is multicast protocol used by Cisco LAN switched , and nor routers.Is this right ?

I have upgraded from the Router to 1721 with ADSL modules from 1710 and the IOS is graded from 12.3(7)T11 to 12.4(1a).However, once upgraded the IPSec did not work. The tunnel is established and I can ping the destination gateway but I cannnot ping ...

Can an extended access-list be applied to an ADSL WIC card on a 2600 router ?Are there any special considerations for access lists on the ADSL WIC interface or dialer?

I have BGP peering with ISP and ExtraNet routers. In both cases, BGP default routes are bring used. When I need to redistribute the BGP default into OSPF, how can I find out if there's an default existing in the BGP routing table?

I have a question regarding an SAA-type scenario at a customer site (see diagram).We are deploying a central 2800 series router which has a 10M LES circuit into the customers service provider MPLS cloud (int FE 0/0). This 2800 also has an ISDN i/f fo...

I have 4 routers ruuning in BGP AS1 and adopting EIGRP 100 as IGP. The connection looks like the following:R0(interface e0)----(interface e0)R5(interface s1)-----(interface s1)R6(interface s0)----(interface S1)R4.And the follwoing is the list of the ...

I have 2 1751 routers equipped with 1 ea DSU/CSU-T1-V2 and enet 10baset wics.Can I fractionalize the T1-V2 and carry 2 seperate networks over the serial point to point T1????

Dear Sir/Madam,I have nerwork as follows:ServerA---Router 1841---------Lease lineI----ADSL (dynamic IP address)Now Lease line DOWN and ADSL UP but Server can't access internet, When I NAT overload(PAT)then server can access internet.I don't want to u...

Sorry about this, I know I posted the question below and somebody answer but I am now un-sure again.I have a cisco pix which is currently setup for webmailstatic (inside,outside) tcp interface www WEBMAILSRV www netmask 255.255.255.255So how do I con...

HelloI'd like to configure multicast PIM sparse-dense mode on router A, B, C, which means there are some sparse mode groups and some dense mode groups, for sparse mode use PIMv2 BSR. Sparse-dense mode is enabled on all serial interfaces.Router A's se...

Dear Sir,I know that I can setup ISL trunk between a switch and a router for inter-vlan routing with subinterface on router. However, if I am connecting two routers back to back, can I still setup subinterface with ISL trunk on the link between two ...