[c-nsp] Wr mem causes massive delay...

[Tony Varriale]

----- Original Message ----- 
From: "Jonathan Charles" <jonvoip at gmail.com>
To: <cisco-voip at puck.nether.net>; <cisco-nsp at puck.nether.net>
Sent: Monday, January 25, 2010 7:27 AM
Subject: [c-nsp] Wr mem causes massive delay...


> So, noticed something weird...
>
> Got a 2851 with 512MB or RAM... if I have a constant ping going thru the
> router and I write mem, the ping goes up by a factor of 5....
>
>
> Cisco 2851 (revision 53.50) with 507904K/16384K bytes of memory.
> Processor board ID FTX1345A0EY
> 2 Gigabit Ethernet interfaces
> 51 Serial interfaces
> 6 Channelized/Clear T1/PRI ports
> 1 Virtual Private Network (VPN) Module
> 4 Voice FXS interfaces
> DRAM configuration is 64 bits wide with parity enabled.
> 239K bytes of non-volatile configuration memory.
> 126000K bytes of ATA CompactFlash (Read/Write)
>
>
>
>
> Reply from 172.16.2.11: bytes=32 time=32ms TTL=60
> Reply from 172.16.2.11: bytes=32 time=34ms TTL=60
> Reply from 172.16.2.11: bytes=32 time=133ms TTL=60
> Reply from 172.16.2.11: bytes=32 time=30ms TTL=60
> Reply from 172.16.2.11: bytes=32 time=25ms TTL=60
>
> So, is this normal?
>
>
>
> Jonathan

If you are pinging through the router, no that is not normal.  There will 
always be some delay while it writes to media.  But, it should not affect 
the forwarding path.

Care to forward a config and code rev?