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High CPU usage

Hello guys, I have  a problem sometimes my router reach 99% and  the normal process is 20% so I dont know  why sometimes hight to 99% CPU utilization for five seconds: 99%/64%; one minute: 99%; five minutes: 99%PID Runtime(ms) Invoked uSecs 5Sec 1Min...

Resolved! Network routing

I created a Lo102 interface on router R1 ip address 100.110.102.1 255.255.255.0 to simulate a network behind it. I have a 172.21.1.0 / 24 network from a 701. vlan. I announced the 172.21.1.0 network via OSPF on R17 to R1.# R17 # ospf 100 # routersumm...

LincolnR by • Level 1
  • 1859 Views
  • 8 replies
  • 0 Helpful votes

Resolved! Cisco 867VAE (IP-Based version)

Hi, I purchased a second-hand Cisco 867VAE (IP-Based version) router and was exploring its configuration when I noticed that after assigning "Ethernet 0" with an IP address, I couldn't ping my desktop (same subnet of course). However, I could pink my...

Rolitto by • Level 1
  • 1533 Views
  • 2 replies
  • 0 Helpful votes

firepower

Hi specialists,When starting-up firepower & face to "locally config", what will occur if I choose "Yes"?Policies-->Network discovery-->Networks-->Add rule   What's the difference between "host" & "user"?What does "generate event" do with a signature?...

Resolved! New image for C1111 Router: c1100-universalk9.16.12.04.SPA.bin OR c1100-universalk9_ias.16.12.04.SPA.bin ("IAS")

Hi all,I need to install IOS XE 16.12.4 on a C1111 router. I see there is a normal version and a version with "ias" in the filename.What is the difference? What version should be installed on a 'standard' setup (a bit of routing, switching, 4G/LTE, V...

matty-boy by • Level 1
  • 5948 Views
  • 3 replies
  • 0 Helpful votes

Resolved! iBGP route reflector

HiIn the following topology, what would be the best way to ensure the spokes prefer one HUB router for all routes over this iBGP route-reflector setup?HUB router config*************************************************neighbor ELAN-IBGP-PEER peer-grou...

Resolved! Router 1 has internet access but PC and router 2 do not. Devices can ping each other locally.

Hi, I have internet access with my router. FE 0/1 is WAN port setup for PPPOEFE 0/0 is standard port. Network setup - VDSL modem -- router 1 (1841) switch(2960) -- PC.Router 2 which can also ping the main router 192.168.1.1Summary Router 2 and PC do ...

WAN Aggregation Recommendation

We had a Cisco stacked 3750 as our core/distribution in a collapsed model and we replace it with 2 Cisco Nexus with vPC/HSRP/OSPF/static ip route summarization taking over the core/distribution role and also hosting our VMWare ESXi and SAN. However w...

DHCP exclusion not working

i have two routers ra and rb with HSRP between them i have configured dhcp exclusion addresses but i am getting ip conflict ERROR MASSEGES BELOW detailsJul 15 2020 15:05:57.883 UAE: %DHCPD-4-PING_CONFLICT: DHCP address conflict: server pinged 10.114....

AHMADJ by • Level 1
  • 1793 Views
  • 8 replies
  • 0 Helpful votes

Static Null0 with Administrative Distance?

Hello,Can anyone explain the value of using a static null0 route with an administrative distance?  We use these to seed the BGP table for /16 networks at various locations and I have noticed that some of them are configured with an administrative dis...

ASR1002-X Memory leak issue

i Dear FriendsWe have several ASR 1002-x with IOS version: asr1002x-universalk9.16.06.07.SPAWe use these ASRs for PPPoE termination. Around 18K session per router.Each router has 16GB of RAM. Recently I noticed The memory usage of each router is incr...

C1111 Integrated USB 3.0 AUX

Hello All,I am try to Connect my Cisco C1111-8PLTEEAWB to my Cisco 4321. I wan to use the C1111 Console-RJ45 or USB3 port to make a connection to the 4321 via its AUX port using reverse-telnet. Is this possible? I havent found a way. Creating this co...

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