Moronic Monday! Networking |
- Moronic Monday!
- Smaller budget switch options
- F5 BIG-IP - Forward traffic to all nodes in a pool?
- Help with CableIQ results.
- How would you interface between dense mode routers and sparse mode multicast routers?
- STP Help
- F5 Big-IP SSL Handshake Failure
- AnyConnect receive IP from Sub Interface - Cisco ASA
- Add delay in cisco catalyst 3750x.
- Small Business WiFi
- Looking for a reliable place to Sell IPv4 address
- What security features do I need in an AP?
- Interaction between TCP Congestion Control and Flow Control
| Posted: 28 Jun 2020 06:04 PM PDT It's Monday, you've not yet had coffee and the week ahead is gonna suck. Lets 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: 29 Jun 2020 07:14 AM PDT We are a smaller MSP who normally deal with Juniper and Cisco options. That being said, I have just come into this company last week, and have been tasked with finding a more budget friendly solution for our smaller clientel. Requirements. Reliability 8/24/48 Ports options PoE for IP phones Ability to program Vlan. Of course I was not given a "About this Price" more of a, gather some options.As I said this is a very new upgraded position for me, so previous knowledge is very limited.That being said, before just throwing a post out, I have already put some options together. Currently I am looking into the HPE 1920 series, I don't know if we should stay entirely away from Netgear.But looking into some of the GS option. Thanks for any help. [link] [comments]  |
| F5 BIG-IP - Forward traffic to all nodes in a pool? Posted: 29 Jun 2020 05:53 AM PDT Does anybody know if this is possible? I'm a little unsure how this would actually work from a clients perspective, but i'm checking if this is possible. Can I forward all traffic onto all nodes within a pool? I am looking at the 'clone' function in irule, but it doesn't seem to be working as I'd hoped. To make things more difficult I'm having to use SSL bridging on this virtual server. The irule i've got so far is: when CLIENT_ACCEPTED { clone pool pool1 member 10.10.10.1 8440 clone pool pool1 member 10.10.10.2 8440 clone pool pool1 member 10.10.10.3 8440 clone pool pool1 S member 10.10.10.4 8440 } Using this code, I get "connection refused" when hitting the virtual server. If I change the second line to: pool pool1 member 10.10.10.1 8440 It works, or at least, the client gets content back, however the stats show 10.10.10.1 as having a connection, and also 10.10.10.4 but not the other two! Any ideas? Thanks in advance [link] [comments]  |
| Posted: 29 Jun 2020 07:38 AM PDT Please forgive my ignorance, not my area of expertise here but I'm just trying to learn more. Basically my first time using a CableIQ. I looked through the manual but none of the examples look like the issue I encountered. Here are the results of the tests I'm confused about. This is a copper link from two buildings that had been working previously until recently the switches started flapping. The switches were tested as working properly when directly connected. Thanks for any input/help. Edit: Used the distances shown to figure out what side of the run the issue was on, issue was on a surge protection jack, saw one of the pins was almost entirely loose, repunched it and everything is good now. Thanks for the help. [link] [comments]  |
| How would you interface between dense mode routers and sparse mode multicast routers? Posted: 28 Jun 2020 10:30 PM PDT This is an IPTV environment. There are two geographically separated environments managed by different teams. Normally when we need to push video back and forth we drop it onto a "video proxy", something like a Cisco DCM that won't allow reverse flow traffic; to protect the source network. Problem is this particular application needs to be able to speak unicast bidirectionally back to some middleware and a VOD server cluster. Complicating matters is the source network is all dense mode, and it ain't changin'. The remote network gear is only capable of sparse mode (Arista). These two networks need to talk. We have the bandwidth to statically join all groups (around 500) if that would help the solution along -- this wouldn't be a bandwidth waste as we are normally joined to all groups anyways. So, I turn to the brains of reddit. What would you do? [link] [comments]  |
| Posted: 29 Jun 2020 01:50 PM PDT Hello All! I am primarily a Server/OS admin recently thrown into the fire with a networking project. We recently purchased a few Cisco Catalyst switches and I am configuring trunking between the new switches and some older Avaya ERS 3500 switches. I have the new switches (let's call them "Switch A" and "Switch B") configured in a stack and am trying to redundantly connect them to an Avaya switch "Switch C". So I configured 2 port channels, one on Switch A and one on Switch B. Both port channels are in trunk mode and meant to be connected to Switch C. On Switch C I configured two multi-link trunks connected respectively to the port channels. I connected the first port-channel with two cables, everything looks great. I then connect the 3rd cable for the second port-channel and it gets blocked by STP. Good, understandable as the switches are in a stack. And then here comes the problem. I plug in the 4th cable and the whole network goes down. I can't even get to Switch C when I am directly connected to it. I unplug the 4th cable and everything goes back to normal. I obviously suspect a loop, but I am confused as to why. It seems I am missing something obvious. Any insight you can throw my way would be appreciated. Sorry for the noob question! [link] [comments]  |
| F5 Big-IP SSL Handshake Failure Posted: 29 Jun 2020 01:14 PM PDT We have a publicly facing VIP on our F5 that does SSL offloading to a group of servers listening on port 80. The servers are accepting traffic that is offloaded from 443 to 80 and you can browse to the web page without issue, but when you try to export some data from the site it does not work. If we bypass the F5 VIP and go directly to the server on port 80 we can export the data without issue. The config for the offload is extremely basic with the VIP listening on 443, server pool listening on 80, the certificate is verified as working, persistence is set to src_addr, and there are no irules. The logs show "SSL Handshake failed for TCP 1.1.1.1%1:port -> 2.2.2.2%1:443" even though everything on the web page works except the export button. We are at a loss and have rebuilt the pool/VIP using F5 documentation guidelines for this basic setup. [link] [comments]  |
| AnyConnect receive IP from Sub Interface - Cisco ASA Posted: 29 Jun 2020 01:10 PM PDT I've created a new policy and tunnel group for a specific user and when they connect I want them to join a lab network we've created with a sub-interface on the ASA (receiving an IP on that same network). Is this possible? If so, how do I go about getting a local pool or DHCP working with the sub interface? [link] [comments]  |
| Add delay in cisco catalyst 3750x. Posted: 29 Jun 2020 05:57 AM PDT How can i add delay in traffic in catalyst 3750x. My company needs this to simulate real world environment. Shaping didn't sup in this switch. I want to slow down the traffic without bandwidth limit. Is this possible. Help me please. [link] [comments]  |
| Posted: 29 Jun 2020 01:17 PM PDT I'm in the process of opening an office for a tech startup that's about 4,000 sqft with the ability to scale up to about 10,000 sq ft over the next 12-18 months. I'm curious what a good option is for WiFi. I'm technical and plan on doing the work myself, but have long been removed from the actual vendors that fit well for use cases like this. My biggest ask (this may be silly) is that it support GSuite authentication for our non-guest network. Thank you :) And I hope I didn't break any rules by posting this! [link] [comments]  |
| Looking for a reliable place to Sell IPv4 address Posted: 29 Jun 2020 05:13 AM PDT Hi Guys, I am looking to sell perhaps two /23 or a full /22. i googled and found one (auctions.ipv4.global) and i was wondering if the Guru's here could point me to a reliable place. Thank you, Niamul [link] [comments]  |
| What security features do I need in an AP? Posted: 28 Jun 2020 07:00 PM PDT I want to build a network where one of the requirements is to isolate guests from each other as well as from the private LAN. I assume this is called "Layer 2 isolation" although I don't find much discussion on the topic when googling around. At the moment I'm looking at picking up a couple Unify AP Pros. Is this possible? Having each guest in their own Vlan or at a minimum some way to block communications between wireless guests? [link] [comments]  |
| Interaction between TCP Congestion Control and Flow Control Posted: 28 Jun 2020 07:39 PM PDT Hi all! I've read many articles about the difference between congestion control and flow control, and the answer is mainly in that congestion control avoids overloading the network whereas flow control avoids overloading the receiver. However, I haven't been able to find a good explanation on how these two interact with each other. For a TCP connection, both mechanism is at work, right? On a high level, they both specify a window size which limits the amount of data sent by sender. And it looks like the unit of both windows could be bytes. So, can I roughly understand it as the actual amount of data is the min(limit_by_congestion_control, limit_by_flow_control)? Thanks for all help in advance! [link] [comments]  |
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