RE: IRDP query, question

From: Casey, Paul (6822) (Paul.Casey@o2.com)
Date: Sat Feb 08 2003 - 21:28:10 GMT-3


Hello,

I am testing the following with regarding to IRDP.
I am receiving IRDP info from, 2 sources,
The one with the lowest priority seems to be picked all the time at the
start of the default gateway.

Now when I do a clear arp and check the gateway information, the default
gateway changes, and if I clear arp again it will changes back again.
See below. Config pasted.

If I leave the router at either gateway it stays there and does not change
back to the other gateway itself no matter what the priority, or how long I
wait

Can someone please explain to me what is happening here,
 
Any help appreciated.
Kind regards.

router6#sh ip route

Gateway Using Interval Priority Interface
150.50.7.7 IRDP 17 2 FastEthernet1/0
150.50.7.5 IRDP 17 1 FastEthernet1/0

Default gateway is 150.50.7.5

router6#clear arp

router6#sh ip route
Gateway Using Interval Priority Interface
150.50.7.7 IRDP 17 2 FastEthernet1/0
150.50.7.5 IRDP 17 1 FastEthernet1/0

Default gateway is 150.50.7.7

router6#clear arp

router6#sh ip route
Gateway Using Interval Priority Interface
150.50.7.7 IRDP 17 2 FastEthernet1/0
150.50.7.5 IRDP 17 1 FastEthernet1/0

Default gateway is 150.50.7.5

router6#sh ip route
Gateway Using Interval Priority Interface
150.50.7.7 IRDP 17 2 FastEthernet1/0
150.50.7.5 IRDP 17 1 FastEthernet1/0

Default gateway is 150.50.7.7

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