Example 3119 show dialer Output Reveals That a RIP Broadcast Is Keeping the ISDN Link Up

R1#show dialer

Idle timer (120 secs), Fast idle timer (20 secs) Wait for carrier (30 secs), Re-enable (2 secs) Dialer state is data link layer up

Dial reason: ip (s=192.168.254.13, d=255.255.255.255) Current call connected 00:00:08 Connected to 57654 (R2)

In Example 3-119, Dial reason section 255.255.255.255 is the destination IP address, which is the address where RIP-1 advertisements will go on BRI1/1:1. Dial reason indicates that the interesting traffic is RIP, which has caused this ISDN to dial in the first place.

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