Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [cisco-small-business]

A tag for questions related to Cisco's small business line of products.

1
vote
2answers
240 views

Vlan trunk link between cisco switch and BDCom Switch not working, but works in access mode

I have a cisco SF 300 switch which is connected to a chinese brand BDCOM switch (2500 series full gigabit port) . When both the ports of switch are configured in access mode, it works. But when they ...
1
vote
2answers
85 views

Why Business Class router don't usually include ADSL?

I am shopping for a good VPN router to replace my terrible stock ADSL modem + router from my ISP, which need to be restarted 4 times a day. This is for my office use, which connected by around 17 ...
1
vote
1answer
143 views

What prevents tagged frames from being forwarded on a VLAN?

Consider the network with the following trivial topology, which is a subset of a real network: Server A is on VLAN 1, physically connected to port 1 on the switch. Server B is on VLAN 2, physically ...
5
votes
1answer
2k views

Basic Link Aggregation scenario with high ping latency

Resume: I'm have a really basic network cenario with some new switches that I just bought. After configuring a LAG (without LACP) between them, I started to have ping losses and high latency. I also ...
1
vote
1answer
61 views

Small church organization [closed]

I have just started up my own business in developing networks for small companies and I have my first gig. The gig will be in a small church and it only has one computer but he wants to expand and ...
4
votes
1answer
2k views

Help with VLANs, ACLs, DHCP on SG-300 Layer 3 switch

I have to do the following configuration on an cisco Sg-300 small business L3 switch as in the figure. Since i don’t have access to this switche for practice before doing this live in production i ...
1
vote
0answers
879 views

Cisco SG300 switch identifies itself as duplicate IP address

We've enabled IGMP snooping on one of our VLANs. The configuration used is: bridge multicast filtering ip igmp snooping ip igmp snooping vlan 1 ip igmp snooping vlan 1 querier We're now seeing the ...
3
votes
3answers
379 views

Traffic consumption between switches for CCTV systems

I have 5 Cisco switches (two SG500, two SG220, and one 2960 where the other switches are connected) used for camera surveillance connected to each other using optical fibre. I need to monitor the ...
0
votes
1answer
363 views

SG500X-48 10GB port blinks then stops when fiber plugged in

Connecting two SG500X-48's through XG1 on both sides with fiber. When I plug in the connector, the link light blinks rapidly a couple times (varies) then stops and goes dark. No connection, interface ...