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Today, I had to troubleshoot a very peculiar problem on my Cisco Catalyst 3750 switches in two different sites. To cut a long story short, both the sites originally had IPSec VPNs over ADSL internet andtherefore static routes added to pass through their VPN firewalls. However, with a recent WAN migration with leased lines, all traffic moved to the WAN routers. However, the Static Routes became stale (obsolete) and we were unable to delete the static routes. The routes are not in the running config (no “ip route command in config”) and a reboot wouldn’t help.Read More →

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In: Cisco
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Static routes allow administrators to configure routes for specific hosts or networks manually as against learning dynamically using routing protocols like RIP, EIGRP and OSPF. Static routes basically tells the Cisco IOS of which next hop router or the exit interface on the local router that the traffic for a particular host or network needs to be passed to. To add a Static Route in cisco ios based switches and routers the following is the command syntax. This command is run from the global configuration mode.Read More →