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Hello all, I am currently having issue with Cisco 7931 phones not getting any IP which is located in their workshop (It's a donga and located 20 meters from main office). Here is the scenario:VLAN 1 - 192.168.28.x/24VLAN 100 - 10.2.1.x/24In the main ...

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We are looking at deploying a new product that requires a SPAN port to listen to and capture all traffic on a switch. I currently have a 4500x as my core switch and have two span session defined. I currently have 32 VLANs defined. monitor session 1 ...

bberry by Level 1
  • 3805 Views
  • 8 replies
  • 0 Helpful votes

hi would you please check this serials ?FNS17041MG7 FNS17041MFM FNS17041976 related cisco GigabitEthernet Transceiver Module GLC-LH-SM GigabitEthernet Transceiver Module GLC-LH-SMoriginal or fack ?are these oem ?please help methank you

Resolved! issue with LACP

Ive created two port-channel groups and one of them won't work It keeps showing that they are not-in-bndl and sometimes there are other erros.  Can someone look at one side of my config and see if I have an issue on it? I'll try to get the other conf...

jkay18041 by Level 3
  • 9741 Views
  • 7 replies
  • 0 Helpful votes

According to this doc: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/data_sheet_c78-729336.html the QSA also support 1Gig SFP optics. However, the document only mentions 1GE SX fiber SFP.Is the 1GE LX lackin...

gnijs by Level 4
  • 547 Views
  • 1 replies
  • 0 Helpful votes

Hi community, could someone explain me which is algorithm selection for multicast group when 2 RP are configured.If i remember well (sorry I didn't find nothing on Internet), RP with highest IP address wins, right ?For example:  ip access-list standa...

Map23 by Level 1
  • 556 Views
  • 3 replies
  • 0 Helpful votes

Hi, I have a query regarding the attached network. All the network protocols running are marked in the picture. Explaining about the network I have put the command default-information originate always on the OSPF configuration on the device iosvl2-3 ...

i have a 2960XR stack with 2 members.  my current IOS =c2960x-universalk9-mz.152-4.E3.bin  last night i attempted to upgrade to c2960x-universalk9-mz.152-6.E.bin  and I found that the system would not allow any clients to connect ( topic for another ...

my ospf neighbor today is in 2WAY/DROTHER state,the ospf has running for four years and no issue,  the ospf interface is up/up, but log says : neighbor from 2WAY to DOWN, Neighbor Down: Dead timer expired, what's the possible reason? how to fix

Mary by Level 1
  • 1381 Views
  • 5 replies
  • 0 Helpful votes

i have a 2960x that has this configurations ONLY i mean i haven't even added a host name VTP mode offspanning-tree mode rapid-pvstspanning-tree vlan 1 root secondryinterface vlan 1 ip add 10.1.1.2 255.255.255.0----------------------------------------...

n.bokhar1 by Level 1
  • 3708 Views
  • 12 replies
  • 0 Helpful votes

we have local network working fine and mpls/vpn site to site fine, but last month, we implement voip. the internet access becomes very slow, but can connect. anyone can share the experience?, mostly is due to switch or voice gateway ?

Mary by Level 1
  • 338 Views
  • 1 replies
  • 0 Helpful votes

in acs, we manage around a few hundred devices, how to search the device list that with syslog enabled? also I have one switch XYZ and 30 more switches, how to define syslog server name and trap for XYZ only? the rest 30 switches, i don't want to ass...

Mary by Level 1
  • 448 Views
  • 4 replies
  • 0 Helpful votes

Hello everyone, I just had a problem on switch testing. After power on the catalyst 3750 switch, during the POST process the all LED's blinked except SYST LED,Its not blinked at all. After POST process is done the RPS LED remain solid green and the c...

alfitri95 by Level 1
  • 276 Views
  • 1 replies
  • 0 Helpful votes

Hi,Can someone explain me, why in OSPF, Why every area must be connected to area 0 and why those routes in areas which are not connected to area 0 are not being redistributed across the OSPF domain. ( which led virtual link concept i suppose )Why any...

chid_1989 by Level 1
  • 19510 Views
  • 10 replies
  • 0 Helpful votes
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