[f-nsp] MLX full BGP route problem

[Andre Dubreuil]

Certainly choosing the appropriate cam-partition profile is recommended,
as the memory allocation will be  optimized to better fit your needs.
This will free up space that you would potentially never use (ipv6,
vpnv4, L2 VPN). In any case, if you don't use the proper profile, you
won't be able to allocate the maximum value. Also you certainly have
some headroom to increase system-max values if you want to.

 

 

 

                Rgds,

 

                                Andre.

 

 

 

 

From: foundry-nsp-bounces at puck.nether.net
[mailto:foundry-nsp-bounces at puck.nether.net] On Behalf Of Mark Tech
Sent: Friday, September 07, 2007 5:01 AM
To: foundry-nsp at puck.nether.net
Subject: Re: [f-nsp] MLX full BGP route problem

 

Hi all

Thanks for that. I have just tested it and I can now see that all routes
are installed on the card by increasing to 256000

 

# sh ip network
Total IP and IPVPN Cache Entry Usage on LPs:
 Module        Host    Network       Free      Total
      1          10     225374      30616     256000

 

My question now is; are there any reasons now not to increase system-max
ip-route and system-max ip-cache to 524288 and alter the cam-partition
profile to ipv4 as all this box will ever do is push ipv4 routes and
receive multiple full BGP internet routes. This is to avoid any reloads
in the near future. 

 

It will never be used for ipv6, vpvn4 etc

 

Your thoughts are appreciated

 

Regards

 

Mark

Andre Dubreuil <adubreuil at foundrynet.com> wrote:

	 

	Also check your Cam Partition Profile to see if you need to
change it.

	 

	 

	 

	From: foundry-nsp-bounces at puck.nether.net
[mailto:foundry-nsp-bounces at puck.nether.net] On Behalf Of Asoka De Saram
	Sent: Wednesday, September 05, 2007 7:05 PM
	To: Mark Tech; foundry-nsp at puck.nether.net
	Subject: Re: [f-nsp] MLX full BGP route problem

	 

	Mark,
	You will have to increase the default ip-route hardware entry
table, and as well as the ip cache table. Here are the commands.
	
	telnet at NetIron MLX-16 Router(config)# system-max ip-route 256000

	telnet at NetIron MLX-16 Router(config)#system-max ip-cache 256000 
	
	the 256000 value is just a sensible value based on the current
internet routing table size (~225k).
	
	A reload is required.
	
	

	----- Original Message ----
	From: Mark Tech <techconfig at yahoo.com>
	To: foundry-nsp at puck.nether.net
	Sent: Wednesday, September 5, 2007 10:53:19 AM
	Subject: [f-nsp] MLX full BGP route problem

I have just installed  an MLX and connected it to my existing internet
Cisco routers. The MLX is reciving full BGP routes and they are seen in
the BGP table however I am seeing this in the log

 

Sep  5 18:47:30:I:Warning: MODULE 1 - No free cache entry for new route
Sep  5 18:46:29:I:Warning: MODULE 1 - No free cache entry for new route
Sep  5 18:46:21:I:Warning: MODULE 1 - cannot allocate free cache entry

 

sh ip network
Total IP and IPVPN Cache Entry Usage on LPs:
 Module        Host    Network       Free      Total
      1          10     102390          0     102400


sh ip cache
Total IP and IPVPN Cache Entry Usage on LPs:
 Module        Host    Network       Free      Total
      1          10     102390          0     102400

	

	 

	Hence all internet routes are not being installed on  to the
card, how can the ip cache be increased?

	Or have I missed something

	 

	Regards

	 

	Mark

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