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HI  I'm new to this forum .  I got a Fiber to home broad band connection and presently i have connected a DVR . my broadband router is  ZTE F660  and did a port forwarding and ...etc. then with DDNS i can see my cameras from out side.The issue is my ...

Hi to all Cisco Community members,I have a question about the use of having multiple WAN interfaces on a routing device. (Firewall with routing capabilities, traditional router, Layer 3 switches[?]) Admittedly, I don't know what I'm looking for in sp...

DV_Philip by Level 1
  • 4164 Views
  • 2 replies
  • 0 Helpful votes

Hello,   Hello,   We have to upgrade ios on the stacked switch   The ports of Both switches (SW1&SW2 No LACP )are connected to one server (teaming port)   Can we upgrade without interrupting server connection?     When I upgrade switch 1, switch 2 sh...

I have a Vivi box connected to a port on a 2960-X. As soon as a client connects to the Vivi the port on the switch starts going down and coming up constantly... 001120: 02:37:07: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/1, changed state to down 0...

aandersne by Level 1
  • 2175 Views
  • 7 replies
  • 0 Helpful votes

HI, I have a question that is very doubtful. I configured the ACL on the 3850 switch, but I have a different situation when I add an ACL entry and remove the ACL entry. I found it through "show mgmt-infra trace messages acl-events switch 1". Scenar...

Resolved! subnetting

If you take the network 192.168.1.0/24 and subnet it to four /26 networks, what is the usable address range in the third subnet? kindly explain me the answer in brief. AND please explain me the underlined text in simple manner. THANKS !

Hi, Our company is trying to implement Microsoft ExpressRoute. Microsoft gives the solution as a Q-in-Q Vlan. We have to strip our the S-Tag and use the 3 C-Tag VLANs for our BGP links to Microsoft. Our service provider gives us a L2 trunk link whic...

Hello all,  I am starting a lab that I am configuring myself and right off the bat when I connect the ports at least one will not come on although it says it is on when I look at the switch. Any clue as to why it isn't coming up. I have not configure...

Cisco Packet Tracer 8_12_2018 4_47_28 PM.png
Leerical by Level 1
  • 4407 Views
  • 3 replies
  • 0 Helpful votes

I am labbing Multicast Assertion mechanism. From https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/212595-how-well-do-you-know-pim-assert-mechanis.html  Based on the highest PIM neighbor behavior R2 should be elected for  (*,G) , right ?   ...

McastAssert.JPG
gongya001 by Level 1
  • 966 Views
  • 4 replies
  • 0 Helpful votes

Hi i have Cisco 6504 with 3 active module , when i work on it , this logging message appear   %DIAG-SP-3-MINOR: Module 3: Online Diagnostics detected a Minor Error. Please use 'show diagnostic result <target>' to see test results.   and then all traf...

Murad* by Level 1
  • 3474 Views
  • 12 replies
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Hello all. Quick question. I'm currently reading up on some CCNP switch topics, started from basics and I encountered the below diagram. ImI just seeking some clarification on why there's a Layer 2 link between the distribution switches. I'm assuming...

Screenshot_20180810-014323.jpg
ksbolton1 by Level 1
  • 796 Views
  • 2 replies
  • 0 Helpful votes

I was wondering if anyone has ever had to replace a member of a VSS particulary with the Cisco 4500x series. I have seen the document on replacing a 720 sup module for the Cat 6500 series, but I am wondering if there is anything particular for the 45...

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