Moronic Monday! Networking |
- Moronic Monday!
- QR codes on cable labels
- Is electromagnetic interference affecting performance in this scenario?
- Network developer
- redistributing vxlan/evpn routes to ipv4 unicast address family
- Problems with an IPSEC tunnel coming up but not passing traffic.
- ZTP for C9200L-24P-4X Version: 16.12.4 Image:CAT9K_LITE_IOSXE
- Help with VLAN priority in CISCO 2520
- Unifi Dream Machine [Pro] for a small office ?
- Why IPv6 routing (MP-BGP) is hard to find on small capacity (10 - 60Gbps) routers? -- Looking for a router with MP-BGP & 10 - 60 Gbps routing capacity for ~$1500
| Posted: 02 May 2021 05:00 PM PDT It's Monday, you've not yet had coffee and the week ahead is gonna suck. Let's open the floor for a weekly Stupid Questions Thread, so we can all ask those questions we're too embarrassed to ask! Post your question - stupid or otherwise - here to get an answer. Anyone can post a question and the community as a whole is invited and encouraged to provide an answer. Serious answers are not expected. Note: This post is created at 01:00 UTC. It may not be Monday where you are in the world, no need to comment on it. [link] [comments]  |
| Posted: 03 May 2021 09:06 AM PDT My management wants to switch from easy to read, plain text labels, to QR code labels. Does anyone else do this? [link] [comments]  |
| Is electromagnetic interference affecting performance in this scenario? Posted: 03 May 2021 04:44 AM PDT At the workstation, will strapping the patch cord for ethernet and power cord or the computer together for organization purposes affect the data transmission of the category cabling because of electromagnetic interference? I was told at least 16" of separation is needed for unshielded category cabling and power cabling but thought this might apply more for the horizontal runs in the ceilings and walls and not at the workstation outlet/patch cord itself? I am assuming EMI has a larger effect on longer runs and my thoughts are that EMI will have a minimal effect here since these cables are only run together for a couple of feet. Maybe the power cord jacket itself is providing some reduction of EMI as well? [link] [comments]  |
| Posted: 03 May 2021 10:51 AM PDT I've been playing around with python this year. Wondering if development might be my thing. Curious if anyone could share their experience in the field and recommendations. Currently I'm still a junior network engineer and would like to finish up my CCNP encor and ensarsi certs (at least for marketability). I was intending on moving on to more data center focused track but am wondering if I shouldn't move to development. I like working with route and switch. I don't really like the social game around it. I'd prefer not to deal with end users at all. Not like I'm not decent at help desk and being nice, it's just that I'd rather limit getting pulled into random tickets and focus more projects. I'd figure network dev might operate more this way? [link] [comments]  |
| redistributing vxlan/evpn routes to ipv4 unicast address family Posted: 03 May 2021 10:33 AM PDT Assuming i am connecting site1 and site2 with vxlan/evpn multisite. If i have a network B (with an assigned vni) in site2 only, then site1 knows about the route through bgp/evpn and traffic is routed through vxlan and the l3 vni/svi. The question is how the site1 DCI devices (nx9k3,nxos 9.3.7) will be able to propagate the routing info of network B, to other normal non-evpn routers on site1? (Preferably via BGP). Is there a way to redistribute them from evpn addr fam to the ipv4 uni address family ? [link] [comments]  |
| Problems with an IPSEC tunnel coming up but not passing traffic. Posted: 03 May 2021 03:42 PM PDT Hi all, So I have a Palo Alto firewall in which I've configured an IPSEC tunnel that goes to a cellular modem. The IPSEC tunnel doesn't have any problem coming up, but it cannot pass traffic. Each end of the tunnel is on a static WAN IP. I get no ESP traffic on tcpdumps on either side. There are no firewall rules on either side which could be causing this. Not that it really matters, but the routing tables can't be the issue. Is there any reason why this could be happening given my setup? Mind you, I have this exact same config on an identical set of devices that is running smoothly. Network A LAN; 10.10.21.1/24 LAN Clients; 10.10.21.44 Network A (Tunnel Configuration) Local Network: 10.10.21.44/24 Remote Network(s): 192.168.0.0/8, 0.0.0.0/8, 10.220.0.0/8 -------------------------- Network B LAN; 192.168.0.0/8 Network B (Tunnel Configuration) Remote Network(s): 10.10.21.44/32 [link] [comments]  |
| ZTP for C9200L-24P-4X Version: 16.12.4 Image:CAT9K_LITE_IOSXE Posted: 03 May 2021 12:20 PM PDT Trying to Setup ZTP on our environment. DHCP Server DHCP Pool is configured with the following: Running TFTP server at 192.168.2.218 and has ztp.py to configures users, telnet and ssh access initially. C9200L-24P-4X Version: 16.12.4 Image:CAT9K_LITE_IOSXE did not get configured with Can not run guestshell on C9200. I must be missing something. I am able to run guestshell on C9300-48P Version:16.6.6 Image:CAT9K_IOSXE Sorry if this is a too simple question. [link] [comments]  |
| Help with VLAN priority in CISCO 2520 Posted: 03 May 2021 08:02 AM PDT Hi, I'm hoping you might help me. We deployed some Cisco 2520 switches (CGS-2520-24TC ), and I'm trying to prioritize the traffic of a specific Vlan through the trunk port when the 2Mbps bandwidth gets saturated. I've tried some QoS features but can't seem to grasp how to apply it in a layer 2 environment. I use a program called Wan Killer to test the setup. I would really appreciate if you gave me some examples of QoS applied to this type of switches or some other techniques to prioritize traffic? I can post the actual config if needed. Thank you. [link] [comments]  |
| Unifi Dream Machine [Pro] for a small office ? Posted: 03 May 2021 11:30 AM PDT Hi ! I need to create a segregation in the network of a small office. There are multiples compagnies/users sharing the office, but they don't have vlan or multiples SSID... yet. I noticed they have some Unifi LR AP, unused. So I think that buying a Unifi Dream Machine (pro or not) should do the trick, in replacement of their "home" router-wifi they actually have. This way I can create multiples vlan, with dedicated SSID, for each compagnie that request it, and I can use the in-wall wiring to get an ethernet port in each room to be on the vlan, so they can plug a basic switch there for as many computers as they want. Does this sound ok ? I work in IT but I'm not in networking, I'm a sysadmin. I'll be renting an office too in that place so I'd rather be on my own network alone, and they seems to trust me to do the job. [link] [comments]  |
| Posted: 03 May 2021 02:12 AM PDT Hey there folks. We need an IPv6 BGP (MP-BGP) supported router. I'm starting a local ISP in a housing site with no plans of scaling up. Internet traffic and traffic between customers will hardly reach 10Gbps and there will be a max of 410 customers. So we're looking for a router with 10 - 60Gbps routing capacity and 4 SFP+ interfaces. We're going to use Cisco's Catalyst PON solutions so I'd like to go full Cisco if we can. I like Cisco's NCS 520, but MP-BGP isn't supported. There's NCS 540X-8Z16G-SYS which is released on 28th Feb 2021 with MP-BGP support. However, it's 4 times more expensive than NCS 520 on global price list. I asked Juniper MX5 and MX10 with upgrade license which permits use of 4 SFP+ interfaces. Waiting for a price. I also like Mikrotik's CCR1036-8G-2S+EM. But there's only 2 SFP+ ports on it. I checked Nokia Routers but the ones that support MP-BGP start from 240Gbps routing capacity. Waiting for a price on Ericsson's 6672 Router which has 100Gbps routing capacity. I'm surprised there's no MP-BGP support on small capacity routers on brands like Cisco, Nokia, where we can't do IPv6 routing. As a small ISP who wants to deploy IPv6, finding a router has been a huge pain for us. Are there any models/brands you can recommend that supports MP-BGP at ~$1500 price range? Many thanks. [link] [comments]  |
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