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Recent questions tagged cisco

8 votes
5 answers
What is the relationship between DHCP and Multicast?
What is the relationship between DHCP and Multicast?Network provider. To filter the garbage on the aggregator (it lists all the client ulany and accordingly it is for them a default gateway and dhcp relay) added a few ACLs ...
by martin74ua
asked Jul 9, 2020
1 vote
3 answers
How to win admin Cisco epc3825?
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How to win admin Cisco epc3825?I got there by inheritance router in Bangkok from the company TrueMovie called Cisco epc3825 and suddenly I needed to use it as a wifi repeater by connecting to another r ...
by mataleao
asked Jul 9, 2020
4 votes
2 answers
How to configure communication between the router and the cisco switch?
How to configure communication between the router and the cisco switch?Before or when not configured cisco, but suddenly instructed to disassemble and customize. The situation is this: there is a router c3750x (config it below, it is the cor ...
by Peploss
asked Jul 3, 2020
20 votes
7 answers
What is the freelance exchange to choose for a network administrator?
What is the freelance exchange to choose for a network administrator?Colleagues, I welcome you! Freelancing tell me which exchange to choose for the beginning of the career of a network administrator? Remote configuration of network equipm ...
by sharkirill
asked Jul 3, 2020
3 votes
2 answers
How to restore remote access to a cisco 3750 without rebooting the device?
How to restore remote access to a cisco 3750 without rebooting the device?Good afternoon, colleagues faced with unexpected difficulties: when configuring policy based routing on cisco 3750 (c3750-ipservicesk9-mz.122-55.SE9) lost to remote acces ...
by Grustnui
asked Jun 27, 2020
3 votes
2 answers
Where to find images and license for Cisco IOU/UNL?
Where to find images and license for Cisco IOU/UNL?Not so long ago met on Habre article about how to configure the Cisco UNetLab. To a miracle happened, the right way L3-ADVENTERPRISEK9-M-15.4-2T.bin, which is in closed a ...
by Solomir
asked Jun 24, 2020
8 votes
2 answers
Preparing for CCNA v2.0 books 640-822 and 640-816?
Preparing for CCNA v2.0 books 640-822 and 640-816?Welcome! Gave me there are 2 books - the official guide from Cisco certification exams 640-822 and 640-816 Whether really them to prepare for passing the CCNA 2.0, becaus ...
by pumba
asked Jun 22, 2020
3 votes
2 answers
How to skip unknown multicast, so it does not block?
How to skip unknown multicast, so it does not block?There is a challenge to skip unknown multicast Peranakan via 2 switches on a specific( but only one) VLAN, on the other vlnach he should be blocked, at this point, it is ...
by TriRyblia
asked Jun 22, 2020
3 votes
5 answers
How to restore the work between 2 cisco?
How to restore the work between 2 cisco?Good afternoon. The connection was lost between the cisco. One of them is in the branch. The only thing that has changed in the morning is what set up the device access i ...
by SergSolomin
asked Jun 22, 2020
2 votes
1 answer
Is there a tab in the interface of the cisco asa 5505 how much traffic pulls?
Is there a tab in the interface of the cisco asa 5505 how much traffic pulls?Is there a tab in the interface of the cisco asa 5505 how much traffic pulls? can anyone overlooked the manual in Russian??? ...
by Initiator_dot
asked Jun 22, 2020
4 votes
2 answers
What console server RS232 -> Ethernet use?
What console server RS232 -> Ethernet use?Colleagues, kind time of day! Prompt, please, what do you use a console server to configure a network of equipment. Came across manufacturer MOXA, but its cost is equal t ...
by kdaniel
asked Jun 22, 2020
2 votes
3 answers
Cisco 7965G work via SIP without the participation of the TFTP. is it possible?
Cisco 7965G work via SIP without the participation of the TFTP. is it possible?Purely theoretical question of whether the cisk 7965G to get to work without TFTP the SIPU, as for example implemented on the Cisco small business. It is possible through ...
by uffzy
asked Jun 22, 2020
2 votes
2 answers
Spaning Tree MST why 2 of the switch are rooted in the same instance?
Spaning Tree MST why 2 of the switch are rooted in the same instance?In the network there are 2 Core switch (Catalyst 3750) and Aktsess (Catalyst 2950) They configured spanning three MST. The guys in that core is the root of all the instan ...
by Lastok
asked Jun 22, 2020
2 votes
1 answer
Cisco SG300 L2 + L3 + DHCP Relay?
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Cisco SG300 L2 + L3 + DHCP Relay?Actually such a scheme, tell me what switch is what to configure?on asw01 included ip dhcp relay enable ip dhcp relay address 172.16.0.11on dsw01 included ip dhcp relay e ...
by Navy9
asked Jun 12, 2020
7 votes
6 answers
What's the plan for training in computer networking and Cisco?
What's the plan for training in computer networking and Cisco?Worked six months only with SS7, but suddenly had to go to the Department where a lot of Cisco equipment. About computer networking not know almost nothing, something lik ...
by kaeraksin
asked May 25, 2020
3 votes
5 answers
The choice of equipment for office network. What to choose?
The choice of equipment for office network. What to choose?Have: 1 Asterisk server+GSM gateway AddPac on two channels 2 sip phone 20 computers and network devices (printers, etc.) 1 surveillance server (for cameras there is a sep ...
by gadzhi15
asked May 25, 2020
3 votes
2 answers
What model of Cisco switches to choose?
What model of Cisco switches to choose?Need help choosing a cisco switch. Requirements 24 port 1gb switch. and at least 5 ports for optics (SFP) to 1gb. the functionality of the standard. VLAN, QoS,Snmp,ssh. W ...
by CTOPMbI4
asked May 23, 2020
2 votes
2 answers
Why CISCO 7970 SCCP with connection to Elastix not working outgoing calls to numbers beginning with "9"?
Why CISCO 7970 SCCP with connection to Elastix not working outgoing calls to numbers beginning with "9"?The phone is connected to Protocol SCCP to Elastix, everything is fine, only outgoing calls starting with "9" in the phone popping up a message TEMP FAIL. How to fix? ...
by alex_korotkov_91
asked May 23, 2020
2 votes
1 answer
Will simultaneously work L2TP and PPTP server on Cisco 2911?
Will simultaneously work L2TP and PPTP server on Cisco 2911?Worried about the stability of the PPTP server when it is running simultaneously with L2TP. Both raised on a Cisco 2911. Are there any restrictions on this? In the Intern ...
by Ruinevo
asked May 23, 2020
1 vote
1 answer
Boson NetSim how to add a new Ethernet interface for the Router?
Boson NetSim how to add a new Ethernet interface for the Router?NetSim generally is able to add new routers Ethernet interfaces or not? How to add serial interface see Ethernet but there is no such menu. Then it is physically impossib ...
by beduin01
asked May 23, 2020
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