Cisco Switching/Routing :: 3750 - Enable EIGRP Process

Sep 23, 2012

I have a hub and spoke WAN that conisits of one core location with with a 6500 and nine other buildings using 4006 Catalyst that conenct back to the core via dual gig fiber. We are using EIGRP at each location as well as the core.   I was tesing something at one of our buildings decided to hang a 3750 off the 4006 and enable the same eigrp process on the 3750 that is enabled on the 4006 and 6500 (EIGRP 1).
 
1. All the routes that the 6500 knows about are advertised out to each of the nine locations.
2. The 4006's are all advertising thier directly conencted routes to the 6500.
 
Onto the location I was testing at:
 
The 4006 where I was testing at has four vlan interfaces enabled and they are in an UP/UP state. The ip routes from the 4006's directly conencted vlan interfaces propogate to the 6500 at our core location and the 6500 sucsefully propgates these learned routes to all the other 4006's.
 
This past Friday I configured a 3750x with two /22 vlan interfces and one physical gi port with an IP address and also configured on Ethernet port on the 4006 with an IP address in the same network block as the 3750x gi interface (a /30 netowrk block). I saw both interfaces come up and EIGRP sucesfully established a neighbor adjecency between the 3750x and the 4006.
 
I noticed that the 3750 advertised out all of it's directly conencted routes to the 4006 and the 4006 advertised it's directly conencted routes to the 3750. However, the 4006 did not advertise any of the routes it had learned from the 3750x to the 6500 and nor did the 4006 advertise any of the routes it had learned from the 6500 to the 4006.  My suspicion is that the "eigrp stub connected summary" statement is enabled on both the 4006 and 3750 thus prevenintg them form advertising out any routes other than thier directly conencted routes.  Can any of you verify that I'm either correct or inccorect about this?
 
here are the eigrp statemnets from the 6500 and 4006:
 
6500:
router eigrp 1
redistribute static
network 10.0.0.0
network 172.16.0.0
network 172.17.0.0(code)

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Jun 4, 2012

Our switch  is very high cpu in process arp
 
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-- on this switch have interface vlan 201 ip subnet is 10.11.201.1/24
Jun  5 15:30:40.732 GMT+7: IP ARP: rcvd req src 10.11.201.217 0001.6c6b.8ab9, dst 172.27.116.73 Vlan201
Jun  5 15:30:42.150 GMT+7: IP ARP: rcvd rep src 10.11.201.217 0001.6c6b.8ab9, dst 172.27.116.4 Vlan201
Jun  5 15:30:42.150 GMT+7: IPARP_TRACK: ARP tableid(0) 10.11.201.217 Vlan201 mode(1) modified.
Jun  5 15:30:42.150 GMT+7: IP ARP: rcvd req src 10.11.201.217 0001.6c6b.8ab9, dst 172.27.116
 
and  then am try to shutdown vlan database 201 after that the cpu process has to normal state.
 
How to check the root cacus?

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Nov 18, 2012

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will there be any impact if I disable it?
  
#sh processes cpu sorted 5min
 
CPU utilization for five seconds: 99%/0%; one minute: 66%; five minutes: 46%
 
PID Runtime(ms)   Invoked      uSecs   5Sec   1Min   5Min TTY Process
159     1896078    589986       3213  3.96% 10.76% 14.00%   0 Hulc LED Process
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Jun 20, 2012

I have a 3750 at a branch running EIGRP connected to two routers that both have configured:
 
access-list 1 deny   0.0.0.0
access-list 1 permit any
access-list 2 permit 0.0.0.0
access-list 2 deny   any
 
router eigrp 1distribute-list 1 out FastEthernet0/0distribute-list 2 in FastEthernet0/0
 
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Both the switch and the router are in a neighbor adjacency.
Both boxes have "no auto-summ" in the routing configuration instance.
 
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Feb 17, 2013

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Step 1 Flexible NetFlow Flow Recordsflow record miketestmatch datalink source-vlan-idmatch datalink dot1q prioritymatch datalink mac source-addressmatch datalink mac destination-addressmatch ipv4 versionmatch ipv4 tosmatch ipv4 ttlmatch ipv4 protocolmatch ipv4 source addressmatch ipv4 destination addressmatch transport source-portmatch transport destination-portmatch interface input physical snmpcollect interface output snmpcollect counter flowscollect counter bytescollect counter packetscollect timestamp sys-uptime firstcollect timestamp sys-uptime last flow record miketestegressmatch datalink destination-vlan-id  match datalink dot1q priority  match datalink mac source-address  match datalink mac destination-address  match ipv4 version  match ipv4 tos  match ipv4 ttl  match ipv4 protocol  match ipv4 source address  match ipv4 destination address  match transport source-port  match transport destination-port  match interface output physical snmp  collect interface input snmp  collect counter flows  collect counter bytes  collect counter packets  collect timestamp sys-uptime first  collect timestamp sys-uptime last Step 2 Flexible NetFlow Flow ExporterFlow exporter export-to-samplicatorDestination 10.1.1.8source Vlan1Transport udp 2055option interface-table timeout 60 Step 3 Flexible NetFlow Flow Monitors# Tie the Flow Monitor to the Flow Recordflow monitor mikektestrecord miketestexporter export-to-samplicatorcache timeout active 60flow monitor mikektestegressrecord miketestegressexporter export-to-samplicatorcache timeout active 60 
 
& Applied it to g1/1/1 but without any luck , if netflow works on the

TenGigabitEthernet1/1/1 &
TenGigabitEthernet1/1/2
 
Only i have four switches stacked and nothing plugged to the

C3KX-NM-10G module

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Dec 26, 2011

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we have OPEN NMS, SPLUNK, MYSQL monitoring tools.

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Feb 19, 2013

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Jan 3, 2012

I would like to apply a policy-based route on one of our L3 switches (Cisco 3750) to change the next-hop of a couple of servers only. The VLAN where those servers reside got WCCP enabled on it. When I want to apply the route-policy to that VLAN interface it doesn't let me. When I try to apply the same policy to a VLAN interface without WCCP it does work. Is there any Cisco IOS limitations that would prevent me from doing that?
 
Configuration:
route policy config: 
access-list 70 permit ip host x.x.x.x (server IP)
route-map PBR1 permit 10

[Code].....

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Jul 4, 2012

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Nov 14, 2012

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Router A in site 1
Router B in site 2
Router C in site 3
 
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Oct 9, 2011

i try newest ios 15.1(3)S0a and 12.2(33)SRE
 
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after clear cef linicard i obtain growing traffic and cpu 0%
 
#sh proc cpu s
CPU utilization for five seconds: 87%/83%; one minute: 91%; five minutes: 96%
PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process
7     1711512       87883      19474  4.06%  0.84%  0.89%   0 Check heaps    

[Code].....

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Feb 24, 2009

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I have a problem with cpu high.tell me if normal have this process?
  
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  29   198216576 402619350        492 15.83% 15.87% 15.68%   0 Cat4k Mgmt HiPri
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Cisco IOS Software, Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version 12.2(25)EWA14, RELEASE SOFTWARE (fc1)Technical Support: [URL] Copyright (c) 1986-2008 by Cisco Systems, Inc.Compiled Tue 20-May-08 18:49 by chendahImage text-base: 0x10000000, data-base: 0x114BE208

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Feb 6, 2012

We are experiencing with high CPU input due to ARP input between 20:30 and 22:30 every day At this time we have a lot of backup operations. When I look the netflow report, I can't see anything anormal.
 
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20:00
show ip arp summary
--------------
2588 IP ARP entries, with 166 of them incomplete

[Code].....

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*Mar  2 12:13:25.811: IP-EIGRP(Default-IP-Routing-Table:1): Neighbor 192.168.2.1 not on common subnet for FastEthernet0/1
 
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Current configuration : 1624 bytes
!
version 12.4
service timestamps debug datetime msec
LD version 0x10
GIO ASIC version 0x127
[Code]...

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