Routing

I learned yesterday that Cisco only truly supports 4 T1s in a 2821. I have 3 WICs in a 2821 (6 T1s) and it's been "working" fine. I noticed that I've been incurring CRC errors on ALL 6 of my interfaces. I've contacted the local telco, and they tested...

Suppose I have 3 routers in same multi-access(transit) network and all of them have priority 0, which would mean all 3 would not take part in the DR BDR election. So what would happen in this scenario? They would stop at 2-Way state?If they are in ...

hi,   we are getting rpd: bgp_recv: peer 10.188.55.78 (External AS 65010): received unexpected EOF  Please suggest about this error.

Under IOS 12.4, I have to be able to make a routing table entry contingent on the level of ICMP packet loss experienced when accessing a particular IP address over a single hop. I've had no problem in the past basing tracking on simple go/no-go avail...

Hello!   Please Help! I have a webemail server connected on a cisco881. Nat is working and everybody from the outside network can get to my webemail. When I am seatig localy, with my private ip, and type my server on Browser, it doesn't get me anywhe...

Hello. I have a question. I use 2 2600 routers with HSRP v1. I see, that during the speak state both routers are sending packets with the Virtual MAC and not their real MAC. Can it be changed by configuration? Is it the same in HSRP v2? And VRRP (I r...

This is my situation i have a 2811 router that i am using as my main router, and i also have a cisco RV325 router i am using for my PPTP VPN.  My 2811 is router on a stick with vlans 1 3 and 5. (I will post my running config). What i am trying to do ...

We have 6 offices. Denver, Omaha, St. Louis, Atlanta, Wash. D.C and HQ. Right now we have all of the regional offices using the HQ DIA except St. Louis because they have there own DIA. I would like to have Denver and Omaha use that DIA and when I man...

hi I have 2 internet connections on my router and every thing is working fine now I want to make a static route ( port forward ) but it has to come in on my second ISP now this is my issue the packets come in but in return they use my default route s...

Hello all.  I have a few questions that came up during a design session.   BGP default rout behavior?  In my lab I setup 4 ISP routers running BGP.   They peer to customer routers that advertise their subnets back to the ISP routers.  All seems to be...

I'm trying to find DNIS number in the Q.931 messages. Does anybody know where do I have to look for this field in the PRI?