[isp-bgp] RE: full bgp table + bgp scanner = icmp spikes

[mb@...]

Quoting Kevin Schoen <schoen.kevin@...>:

> Spikes are normal because of the bgp scanner. Ping through the router,
> if you are not having a problem then its aok. 
> 
> You should enable ip route-cache cef, on 12.3 if you have any
> subinterface's cef disable it disables all cef on that interface. 

no ip route-cache cef was enabled on: 

portchanel1 
FastEthernet0/0 
FastEthernet1/0 
FastEthernet2/0 
Virtual-Template1 (Used for DSL connections) 

I enabled it on all interfaces, and the spikes dissappeared - But, our DSL 
clients could no longer browsse the Internet (The only thing they could do was 
send/receive icmp traffic?) 

How could enabling route-cache cef cause this behaviour with only our DSL 
clients?(All other connections (Ethernet) worked without issue) 

Regards, 
MB 




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