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New Contributor II

Very High CPU Utilization on NV3120

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Hello Everyone,

I have a customer that is complaining of terribly slow speeds to the net and upon logging in, the NV3120 is really struggling.

Here is the CPU table as of 5 minutes ago (this is pretty consistent as far as the percentages go):

1Idle0W328,2601,00400
3PC Config7S99,13993200
4PacketRouting39W669,200487954,19295.86
5Timer41W170,291403,1550.32
6Thread Pool4W1706000
7Timer-0010W413,5901000
8Nm015W01,149,54000
9FrontPanel38W10,68435700
10con041W1900
11ICP Session8W1658900
12RSTP38W11,01717100
13RSTP-BG37W1048700
14RouteTableTick6R1,3161300
15OSPF6R1,08526400
16IGMPTick6R96911600
17IGMP-Receiver6W0541,64700
18IP Events24W2,63034200
19tcptimer22W3,2323800
20tcpinp22W3,1181,40000
21tcpout22W9,40318200
22DnsClient16W6857700
23DnsProxy16W30315500
24DnsTable16W2753500
25WWW19W18,1204,36500
26SnmpThread6R15,0964000
27Switch Management38W031600
28Switch Maintenance4R10,92199000
29BCM41W330,6346822,0132.2
30RSTP38W054400
32eth 0/141W301,5146813,9191.13
33IKE6W1,90866900
34IPSecKeyGen4W0170,18600
35SCEP6W127700
36MediaConnectionQueue34W1,2851,26900
37FTPServer Listener5W172900
38SMTP Client16W036600
39SNTP Client19W071000
40CLIInjectQ6W041,77900
42FactoryDefault4R5762100
44RipOut6R9002400
45RipIn6W127300
46UDP Relay19W129800
47DHCP Server29W2701,04100
49AUTOLINKQ4W158100
50HttpClientQ6W028700
51UDP In37W38437300
52Flow Meter Logging17W44618400
53TWAMP-Control6W0131,73500
54TWAMP-Test16W24400
Refreshing...

Obviously packet routing is the main culprit here. I have verified that all integrated traffic monitoring is turned off (no ip ffe on each interface) and the only other somewhat taxing thing this NV3120 is doing is VPN.

Is this router just this severely underpowered?

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Anonymous
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Re: Very High CPU Utilization on NV3120

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The 3120 is meant to be a SOHO type device and is generally not recommended for bandwidths in excess of 15Mbps (aggregate, up and down) for general traffic and it's VPN performance is roughly 1Mbps. Depending on how the unit is configured for other services (QoS, Traffic Shaping, etc), performance could be affected as well.  If you have the unit connected to a high-bandwidth link and trying to do VPN, QoS, Traffic Shaping, etc, the unit will do it's best to keep up but eventually it will have trouble.

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Anonymous
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Re: Very High CPU Utilization on NV3120

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The 3120 is meant to be a SOHO type device and is generally not recommended for bandwidths in excess of 15Mbps (aggregate, up and down) for general traffic and it's VPN performance is roughly 1Mbps. Depending on how the unit is configured for other services (QoS, Traffic Shaping, etc), performance could be affected as well.  If you have the unit connected to a high-bandwidth link and trying to do VPN, QoS, Traffic Shaping, etc, the unit will do it's best to keep up but eventually it will have trouble.

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