There is a router with three OSPF neighbors.  Recently, all routes that would use one particular neighbor were removed from the routing table.  The OSPF neighborship stayed up, but the routes were gone.  All the OSPF database info was still there, bu...

Lets say a device has a single loopback interface with several /32 IP addresses configured on it. Taking subinterfaces out of the equation, is there any way to advertise a "router LSA" that will list the various /32 network "links" with different co...

I have a small network with one router and three switches. I would like to router to be an NTP client to a public NTP server, and then have the router be the NTP server for the swtiches. I also don't want the router to respond to NTP queries from a...

The following is some of the output of a show vpn-sessiondb detail l2l command on a Cisco ASA: Tunnel ID : 1364.2 Local Addr : XXXX Remote Addr : XXXX Encryption : 3DES Hashing : MD5 Encapsulatio...

I am seeing occational syslogs of these type on a 1711 router running IPSec:%CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed connection id=3, sequence number=0Does this mean that an ESP packet was seen with a sequence number of 0? What ...