Can anyone recommed a good book that explains BGP in depth?The only I can find is Sam Halabi's "Internet Routing Architectures, 2nd Edition," but this book was published in 2000. Thanks in advance. Mohamad
Hello,I have a strange problem with several BGP peerings on the same 12008 router, apparently caused by underlying L2 issues.We are connected by means of a port-channel to a switch not owned by our company.Please follow the output below:sho proc cpuC...
Hi All,My ip is 1.1.1.1 this ip is forwarded to my leased line link from SP. Now i want to confgiure this ip with port forwarding in order to point to my server(192.168.1.2) in DMZ. My topology isInternet--InternetSwitch--Pix515--DMZAny Clues for con...
I have a 3640 Cisco router that is connected to an EF Johnson communication device's console port. The router is connected using a serial port (NM-4A/S) and Cisco RS232 serial cable.I have configured the router's serial port to async mode (physical-l...
Hello, I have 2 WAN routers with dual WAN links and 2 access switches on site.I have HSRP enabled on Vlan 1 and standby track command enabled as well. Can I know how did the HSRP priority value affect the spanning tree switching decision? For example...
Hi gurus,what is the ios version that supports wccp for my gsr's? I have the ff:1. cisco 12406/PRP (MPC7457) processor (revision 0x00) with 3670016K bytes of memory.2. cisco 12416/PRP (MPC7457) processor (revision 0x00) with 3670016K bytes of memory....
Anyone can explain the below. I want to enable snmp traps and the router gave me the below error message.FrameSwitch(config)#snmp-server enable traps% Cannot enable both sham-link state-change interface traps.% New sham link interface trap not enable...
I have a couple of questions regarding this config of a router connected to a provider's MPLS network: neighbor 1.1.2.66 remote-as 65000 neighbor 1.1.2.66 version 4 neighbor 1.1.2.66 soft-reconfiguration inboundaccording to Cisco:"Whenever there is a...
Hello,Can some one post the link or good documentation where I can find information about how CDP works and what i can do with the help of it? How CDP learns the hostname of remote devices and all?thanks,Devang Patel
I got a new cisco 1841 recently. Everything went fine during configuration then suddenly I got the following:libavas#*Feb 21 10:52:47.043: %FILESYS-5-CF: External CompactFlash removedSystem Bootstrap, Version 12.4(13r)T8, RELEASE SOFTWARE (fc1)Techni...
On a IOS 1812 router I have a GRE tunnel (over IPSec) set up and it is working. The router connects to the internet through a PPPoE connection using Dialer0. The configuration of the tunnel is as follows:interface Tunnel1 ip address 10.10.10.1 255.25...
Hi Experts,Kindly let me know that is there any VRF enabled commands are required in order to configuration with Cisco LMS v 3.0. Because i have faced the issues in Tacacs Authentication which required the Per VRF Authentication feature suggested by ...
Hi,I want to confirm, NONE command (in line 1) is mandatory to use if we are planning for Port authentication with dot1x.. 1. aaa athentication login default none2. aaa authentication dot1x default group radius3. dot1x system-auth-control
Hi,I have done route filtering between different routing protocol using route- map and redistribution it is working fine. I have used standard access-list in route-map to filter the necessary routes. But i could not understand how the standard access...
Hi,after 3-4 days running my new config I got this serious error which locked up the Cisco completely; sounds to me like a loop in the DNS Resolver... maybe an attack?2009-02-21 13:46:22 Syslog.Critical 192.168.1.1 72: 000067: Feb 21 13:46:20.960 UST...
