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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

All,I currently have nexus 5Ks and 2ks interconnected and everything is working fine except L3 routing outside to another router. I can ping between SVI within the Nexus environment but I cannot ping a router that’s attach to the FEX port. Also do yo...

Hello,My name is Moshe and I came across the following article from CiscoPress:http://www.ciscopress.com/articles/article.asp?p=474239&seqNum=2Going through the article, I found out about the issue of Buckets:"As previously mentioned, the CAM table h...

hi ,i have router R1 which is connetced to isp pstn and running pppovpdn , i mean that the customers use ADSL so that they reach the internet , i can say about my self that im an isp .im trying to apply ip policy so that some users have a different  ...

Dr.X by Level 2
  • 1002 Views
  • 5 replies
  • 0 Helpful votes

Hi,I am getting the following error on my routers:%IP_VFR-4-FRAG_TABLE_OVERFLOW: GigabitEthernet0/1: the fragment table has reached its maximum threshold 16I guess this may be affecting OSPF as I constantly see the following error:Dec 24 09:38:50.685...

synbureau by Level 1
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  • 6 replies
  • 0 Helpful votes

haii,i am new to the networking.my friend gave me a routing table with some ststic routes configured .he said the routing table belongs to a firewall.but i cant understand how the packets are forwarded .he alo said that he had a l3 switch in between ...

Hi everybody.Suppose we have a layer 2 switch whose mac table is full. We connect  a new  computer to switch.Pc1 sends a frame to some computer on the networkHow will switch react? Will it delete the oldest entry from mac table to make room for a new...

sarahr202 by Level 5
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  • 2 replies
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Hi dearsI want to configurate Vpdn protocol PPOE but i can not write protocol  ppoe under vpdn group name on cisco 2811. cisco 2811 iso is 12.4 T advententerpr and i upgrade it 15.1 advansecure but problem is still. i think that problem is ios. which...

Resolved! HSRP group Query

Hi Experts,I have a query on HSRP .. Lets say if i have 4 routers configured with Same HSRP group. How many routers will be in active and standby group.I assume it will be one router with highest priority under the HSRP group and rest will be in stan...

i have a problem withe aan edge 300 switchthe problem is when i try to upgrade the firmware of this device to v1.4 and exeute the command of this upgrade an restart the switch i found the there is black screen with cisco logo and i cann not boot to o...

hi,We have DMVPN tunnels configure and eigrp running on DMVPN.From last one week i have seeing logs message that eigrp is flapping on dmvpn neighbors.Link between the 2 sites is stableKindly advise show ver is attached from the switchCisco IOS Softwa...

Resolved! Two paths

Hello!I need your help. I configured topology as shown on  attached photo. I made vlans and used OSPF protocol. Now I have to  configure that the traffic from PC1 goes through ethernet link to PC3 and  traffic from PC2 to PC4 through serial. Please h...

lukasenko by Level 1
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  • 3 replies
  • 0 Helpful votes

I've  N2K connected to N5K in  dual-home.   something is wrong.i need helps,thanks!error:2012 Dec 26 07:40:36 N5K-01 %$ VDC-1 %$ %SATCTRL-FEX101-2-SOHMS_DIAG_ERROR: FEX-101 Module 1: Runtime diag detected major event: GPIO access failure2012 Dec 26 0...

Tbagsfans by Level 1
  • 1983 Views
  • 0 replies
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I have an iMac 2.4 GHz and am setting up a wireless connection for the first time. AirPort is switched on and I have tried running the Cisco Conect .dmg. It searches for networks, says there isn't one found, and then asks me for the router name (SSID...