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Dears, i need help in tracing out what caused the router 2821 to hang, attached is two logs collected   one before the router hanged was taken on 21feb2018, second , after hanging , log taken after restart. is any one can check and let me what caused...

So we just got a 9300 and are trying to get the web gui up and running.  I enabled the http server, assigned an IP address to the management interface and created an admin user with priviledge 15.     I can log on the first time after an http server ...

bored28 by Level 1
  • 6 replies
  • 0 Helpful votes

I have a Cisco Router1812. This router has fe0,fe1 and f2-f9 as switcher ports. I want to get to configure this router as dhcp server for client connected on f2-f9 port. I am a newbie and I certainly make a mistake. there is someone who can help me? ...

rdp1960 by Level 1
  • 2 replies
  • 0 Helpful votes

  Hi Guys,   routers is having strange issue, it reboots itself. please help to solve the issue. here below crash info   ------------------ show version ------------------ Cisco IOS Software, 2800 Software (C2800NM-ADVSECURITYK9-M), Version 15.1(3)...

Hi Cisco techs, Please let me know if posted in wrong section   How does a computer connected to a Cisco ip phone (via 10/100 port) in a data vlan gets its ip address for router on a stick scenario and how does the router "know" who to send the packe...

Hi Team,   I have three WS-C2960X-48TS-L Switches in stack where observing all access port which is connected to end system are getting freequent flapp.   IOS running:-“ c2960x-universalk9-mz.152-2.E6.bin"   + No layer 1 issue.cabling everything prop...

Robo123 by Level 1
  • 3 replies
  • 0 Helpful votes

Resolved! SG550XG-24T-K9

Qucik Question...   Does the SG550XG-24T-K9 support SVIs? (Layer 3 Vlans) Searched but couldn't find anything so this is my last stop :)

Hi all,   in two different scenarios  1. if there is a layer 2 switch in between two routers 2. if the 2 routers are directly connected   in both the cases the ARP is only showing the MAC address of the router interface, HOW CAN I FIND OUT remotely?,...

When doing a ISSU upgrade of a 6880 VSS cluster I got the following log message: Asymmetrical redundant configuration: Active SP has (2097151/262144K) memory, Standby has (2097151/409600K). This seemed a bit strange since we bought the two chassis a...

eekman by Level 1
  • 6 replies
  • 0 Helpful votes

Hi.  I have some questions when it comes to configuring subnets on my Cisco 891 Router.  I have the DHCP pools setup on a DHCP Server to lease the IP's each of the subnets.    Subnets: 172.16.10.x, 172.16.11.x, 172.16.12.x, 172.16.13.x, and 172.16.15...

ecilop2010 by Level 1
  • 16 replies
  • 0 Helpful votes

Hi All,   I have a small confusion like I have multiple partner S2S tunnels configured on router Cisco 3845. Currently I do not have any monitoring enabled for those tunnels and we did not get notify If any tunnel goes down. So, to monitor that tunne...

Saurabh.s by Level 1
  • 0 replies
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Hi,I've just noticed an error I've never seen before in our switch logs.  We have a stack of 6 Cat3750G-48TS-E switches.  The first two in the stack have been up for just over a year and I've only just noticed this error.  Thus far, I haven't noticed...

mj5150 by Level 1
  • 6 replies
  • 0 Helpful votes