Hi, On 03-Oct-11 19:53, Nick Allen wrote: > > > Am I right in thinking that since SNMP v3 informs (vs. traps) require > an acknowledgement to say they've been received Yep. > - presumably they should buffer up if they can't reach the netsight > server? They are still UDP packets so the host probably tries again if there is no ack in a certain timeperiod. Maybe also a number of retries and timeouts are involved before the inform is lost? I'd have to check that. Is there some firewall involved in your setup? > > I've noticed this in our event log from a while ago, before we had > informs set up correctly. > <164>Sep 4 18:57:48 10.111.0.100 Emanate[1.SNMPagent]SNMPv3 Informs > queue overflow = 1 > ...so there must be a queue. Seems so ;-) > > I tried this by changing the NIC's in the Netsight VMWare virtual > appliance to be in an isolated vSwitch. > I then logged in via SSH into and out of our 2 x N7's and asked a > colleague to do the same. Then I also telnetted into one of them. > When I put the two Netsight NIC's back into the correct VLAN, I > expected 5 informs, but only received 3. Did you sniff this using a packet filter, or did you just look at what arrived in NMS?
Marki --- To unsubscribe from enterasys, send email to [email protected] with the body: unsubscribe enterasys [email protected]
