Posts Tagged ‘keepalive’

no keepalive up/up

| June 25th, 2010 | 9 Comments »

I learned this new trick from reading an old CCIE book. If you want to keep an interface with up/up status with no cable connected to it, especially for simulation purposes all you have to do is disable the keepalive like so: Router#sh ip int brie Interface                  IP-Address      OK? Method Status                Protocol FastEthernet0/0            unassigned      YES unset  administratively down ...

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PPP no keepalives

| March 25th, 2010 | No Comments »

While playing with my simulated serial WAN link. I thought I could simulate the link going down by turning off keepalives on one of the serial interfaces. After waiting 5, 10 minutes and still being able to ping across, I decided to turn off the other keepalive coming from the other switch! Low and behold, the ...

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