[c-nsp] 7206VXR NPE-G1 Upgrade from 12.4 to 15.0 High CPU

[Chris Gotstein]

According the sh ip int, i'm using Fast, CEF on all active interfaces.

GigabitEthernet0/1 is up, line protocol is up
   Address determined by non-volatile memory
   MTU is 1500 bytes
   Helper address is not set
   Directed broadcast forwarding is disabled
   Multicast reserved groups joined: 224.0.0.10 224.0.0.5 224.0.0.6
   Outgoing access list is not set
   Inbound  access list is 115
   Proxy ARP is disabled
   Local Proxy ARP is disabled
   Security level is default
   Split horizon is enabled
   ICMP redirects are never sent
   ICMP unreachables are never sent
   ICMP mask replies are never sent
   IP fast switching is enabled
   IP Flow switching is disabled
   IP CEF switching is enabled
   IP CEF switching turbo vector
   IP CEF turbo switching turbo vector
   Associated unicast routing topologies:
         Topology "base", operation state is UP
   IP multicast fast switching is enabled
   IP multicast distributed fast switching is disabled
   IP route-cache flags are Fast, CEF
   Router Discovery is disabled
   IP output packet accounting is disabled
   IP access violation accounting is disabled
   TCP/IP header compression is disabled
   RTP/IP header compression is disabled
   Probe proxy name replies are disabled
   Policy routing is disabled
   Network address translation is disabled
   BGP Policy Mapping is disabled
   Input features: Access List, MCI Check
   WCCP Redirect outbound is disabled
   WCCP Redirect inbound is disabled
   WCCP Redirect exclude is disabled

GigabitEthernet0/2 is up, line protocol is up
  Address determined by non-volatile memory
   MTU is 1500 bytes
   Helper address is not set
   Directed broadcast forwarding is disabled
   Outgoing access list is BlockOutgoingJunk
   Inbound  access list is BlockIncomingJunk
   Proxy ARP is disabled
   Local Proxy ARP is disabled
   Security level is default
   Split horizon is enabled
   ICMP redirects are never sent
   ICMP unreachables are never sent
   ICMP mask replies are never sent
   IP fast switching is enabled
   IP Flow switching is disabled
   IP CEF switching is enabled
   IP CEF switching turbo vector
   IP CEF turbo switching turbo vector
   Associated unicast routing topologies:
         Topology "base", operation state is UP
   IP multicast fast switching is enabled
   IP multicast distributed fast switching is disabled
   IP route-cache flags are Fast, CEF
   Router Discovery is disabled
   IP output packet accounting is disabled
   IP access violation accounting is disabled
   TCP/IP header compression is disabled
   RTP/IP header compression is disabled
   Probe proxy name replies are disabled
   Policy routing is enabled, using route map cymrubogons
   Network address translation is disabled
   BGP Policy Mapping is disabled
   Input features: Access List, Policy Routing, MCI Check
   Output features: Access List
   WCCP Redirect outbound is disabled
   WCCP Redirect inbound is disabled
   WCCP Redirect exclude is disabled

Serial1/0 is up, line protocol is up
   Address determined by non-volatile memory
   MTU is 4470 bytes
   Helper address is not set
   Directed broadcast forwarding is disabled
   Outgoing access list is BlockOutgoingJunk
   Inbound  access list is BlockIncomingJunk
   Proxy ARP is disabled
   Local Proxy ARP is disabled
   Security level is default
   Split horizon is enabled
   ICMP redirects are never sent
   ICMP unreachables are never sent
   ICMP mask replies are never sent
   IP fast switching is enabled
   IP Flow switching is disabled
   IP CEF switching is enabled
   IP CEF switching turbo vector
   IP CEF turbo switching turbo vector
   Associated unicast routing topologies:
         Topology "base", operation state is UP
   IP multicast fast switching is enabled
   IP multicast distributed fast switching is disabled
   IP route-cache flags are Fast, CEF
   Router Discovery is disabled
   IP output packet accounting is disabled
   IP access violation accounting is disabled
   TCP/IP header compression is disabled
   RTP/IP header compression is disabled
   Probe proxy name replies are disabled
   Policy routing is enabled, using route map cymrubogons
   Network address translation is disabled
   BGP Policy Mapping is disabled
   Input features: Access List, Policy Routing, MCI Check
   Output features: Access List
   WCCP Redirect outbound is disabled
   WCCP Redirect inbound is disabled
   WCCP Redirect exclude is disabled

On 8/22/2011 3:23 PM, Scott Granados wrote:
> Are you process switching traffic instead of fast or CEF?
>
>
> -----Original Message----- From: Chris Gotstein Sent: Monday, August 22,
> 2011 4:08 PM To: cisco-nsp at puck.nether.net Subject: Re: [c-nsp] 7206VXR
> NPE-G1 Upgrade from 12.4 to 15.0 High CPU
> Backed down to SRE, but still seeing high utilization on the IP Input
> process. Have no idea why this is happening now, thought it was due to
> the upgrade to 15.0. But seeing same issue back on SRE. Anything i can
> do to troubleshoot? Running out of ideas.
>
> On 8/22/2011 12:21 PM, Chris Gotstein wrote:
>> Was looking for the additional IPv6 support in the 15.x train. Can't
>> find any solution to the problem, so i'll probably just move back down
>> to SRE4.
>>
>> On 8/22/2011 8:09 AM, Mark Tinka wrote:
>>> On Monday, August 22, 2011 05:18:10 PM Chris Gotstein wrote:
>>>
>>>> Any ideas of what could be going on? I haven't
>>>> downgraded the IOS just yet, hoping to see if i might
>>>> have missed something easy. Thanks,
>>>
>>> Don't know anything about how 15.x works on the NPE-G1/G2,
>>> but we're staying away from it as it doesn't have any
>>> features we need. SRE4 is nice and happy.
>>>
>>> Mark.
>>
>

-- 
---- ---- ---- ----
Chris Gotstein, Network Engineer, U.P. Logon/Computer Connection U.P.
http://uplogon.com | +1 906 774 4847 | chris at uplogon.com