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21
Installation / Public-key authentication with ssh
« Last post by Alimachina on June 06, 2018, 10:48:55 AM »
In the nedi.conf we can define users for telnet and ssh access, which is useful for CLI.

We have a radius server for users authentication on our switches, so there isn't any "generic user".
So I guess we have to use one of our users, that's ok.
But I want to hide the password.
I'm not sure how to do :
"Use public-key authentication with ssh, if you do not want to have pw here in cleartext."


If I connect to a switch with SSH on the NeDi server, I'll have the RSA key fingerprint for this device, but then how to tell to NeDi to use it ?
22
Discovery / Re: [Enterasys C3G124-48] Missing Interfaces in GUI
« Last post by Steffen Scholz on June 05, 2018, 11:27:42 AM »
On (E)XOS, you can try this:


configure snmp compatibility get-bulk reply-too-big-action standard
configure snmp compatibility ip-fragmentation allow


With this both option, you can set back behavior to standard.
In my enviroment it works very well then with NeDi.


For more details, take a look here:
https://gtacknowledge.extremenetworks.com/articles/Solution/SNMP-TOOBIG-Errors-Seen-When-Polling-EXOS-Switches

Greetings,
Steffen
23
Discovery / Re: Discovery ignoring netfilter?
« Last post by pato on June 01, 2018, 09:03:02 AM »
I'm no programmer at all, so I have sadly no idea if the regexp works correctly or not.
24
Discovery / Re: Discovery and nedi.conf "useivl" parameter
« Last post by rickli on May 31, 2018, 11:13:56 PM »
Ok, I see your idea behind it. However IVL is intended to keep the same MAC of different hosts apart. Technically you still have the same hosts...

Do the nodes appear, where they're actually connected? If it's on the connection to the FW, you could add a static link with Topology-Linked to avoid that...
25
Discovery / Re: Discovery and nedi.conf "useivl" parameter
« Last post by moeb1980 on May 31, 2018, 08:33:51 PM »
Hello, I used IVL because I have the same mac on 2 vlan because of the transparent firewall. Without using IVL the computers behind the firewall were not added in the Nodes menu. For an unknown reason (I guess that the vlan number is smaller), Nedi took the other vlan and does not create the node.
26
Discovery / Re: Discovery and nedi.conf "useivl" parameter
« Last post by rickli on May 31, 2018, 06:42:55 PM »
IVL should not prevent IP asignments (unless I made a  mistake)...

However do you really need IVL? It's usually required if you have different nodes with the same MAC address in different Vlans...
27
Discovery / Re: Discovery ignoring netfilter?
« Last post by rickli on May 31, 2018, 06:40:14 PM »
If the regexp works correctly, you should see a netfiiter message and the device will NOT be contacted...
28
Discovery / Re: [Enterasys C3G124-48] Missing Interfaces in GUI
« Last post by rickli on May 31, 2018, 06:32:47 PM »
I've been told, there is a max-message-size config option on Extreme switches to fix this behavior...
29
Discovery / Re: [Enterasys C3G124-48] Missing Interfaces in GUI
« Last post by SchmuFoo on May 18, 2018, 10:54:36 AM »
FYI, increasing maxmsgsize can result in some switches not responding at all...

Yepp, I had to switch back to the default value because lots of missing data from Extreme Summit Switches X460G2-48x-10G4  :-\
30
I know, some have looked into it. I'll certainly do it, if a customer pays (some of) my time...

Thanks Remo, I will forward this info to my specific customer .. ;)
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