Routing

Hi!We have 2 internet gateways (ISP-A and ISP-B), so I have made a configuration using tracks to set Gateway of last resort depending on what ISP is up.This seems to work perfectly fine.BUT; In addition to this, only a few of our subnets are "allowed...

Hi, Can I implement CBAC for ICMP packet. I have no idea , CBAC is supporting ICMP or not?

Guys can someone please explain in a very plain language why we use static route for null0 and can you please give an easy example as well.....do we only use this in BGp or it can be used in other routing protocol

Hi, I want to enable SNMP V3. Please help me if you have any document on this.

Hi All,Please tell what is the difference inthe two versions of IOS shown in the output of show version. And what is the logic of this difference and can these two value be made same by some way.Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICE...

we have configured 1841 but after some time we get the arp problem and required to do clear arp.so we debug the ARP and found the following message.can any one help me to undersand what this means and how can we solve this ARP issues.ARP packet debug...

hi ,can any one help me with the link which give full details about RIB-FAILURES in bgp.

Customer is connected to two ISPs and is advertising out 3 networks. I want to set it up so network A prefers isp y and network B and C prefer isp y. I did the followingneighbor isp x route-map as-path-ispy outaccess-list 20 permit network Aroute-m...

Dear All,I have 2 links from 2 different ISP.I have got cisco router in my end.Got 2 interface and in both i have the 2 link connected.My problem is: whenever one link goes down mainly marked as primary , other marked as secondary should work automat...

very simple & very very silly question....what's the logic in having a static route up if you have not valid adj?I mean static routes are up even if i have no a valid L2 next-hop available (physical link up but logical down on other side, due to misc...

Dear All,We having 2621 router with 16 mb flash and 32 mb ram i want site to site vpn ios in this router plz advise me ios.Regards,Rajasekhar,9246571396

Hi, Why we need IP Accounting Access Control List (ACL)? What is the benefit of this ?

I am looking at captured data on a Ethernet link between routers (using Wireshark). Its a private network with a single application running.I see these multiple sequences of retransmits at 0.4, .8. 1.6 and 3.2 seconds separation. Many of these seque...

Hi,we are using 12.2.33-SRC2 on 7600 router. We were having anormal CPU load at different time of the day.We ve just find out the pb. Each time our management station issue snmp request, CPU is high on the router (100 %) and the result is we lost pac...

Having no luck. Created standard pppoe config with dialer. Tried pap, tried chap, tried pap chap. Anyone out there make it work?