EIGRP | Booches.nl

ISDN Backup – still alive?

René Jorissen on May 26, 2010 • 3 Comments • Tags: #backup #eigrp #floating #isdn #ospf

Nowadays everybody wants redundancy within their network, especially when using remote sites. Customers are using multiple ISP’s for redundancy and/or configure BGP solutions. In the old days (hear me talking with my 27 years) ISDN was often used for backup purposes and I still use it sometimes as redundancy mechanism. Everybody knows that bandwidth is … Read More

IPSec / SSL VPN, Security

Redundant DMVPN network

René Jorissen on August 20, 2009 • 0 Comments • Tags: #authenticate #cloud #dmvpn #dual #dynamic #eigrp #hub #isakmp #multicast #multipoint #networkid #nhrp #redundant #resilient #single #spoke #vpn

Today I looked at the configuration DMVPN (Dynamic Multipoint VPN). A Dynamic Multipoint Virtual Private Network is an enhancement of the virtual private network (VPN) configuration process of Cisco IOS-based routers. DMVPN prevents the need for pre-configured (static) IPsec peers in crypto-map configurations and ISAKMP peer statements. This feature of Cisco IOS allows greater scalability … Read More

Routing

Troubleshooting EIGRP

René Jorissen on June 25, 2008 • 0 Comments • Tags: #active #black #defaultmetric #eigrp #hold #hole #in #metric #neighbors #out #redistribute #retransmit #rto #stuck #summary #table #time #topology #troubleshooting

To troubleshoot EIGRP you should obvious have a grasp understanding of the specific routing protocol. Of course this doesn’t only apply to the EIGRP routing protocol. Troubleshooting the EIGRP routing protocol on a Cisco devices is mainly about logging the correct information to a syslog server, the buffer or the console and know what the … Read More

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