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RX Drops on 3400cl

Bruce Campbell_3
Valued Contributor

RX Drops on 3400cl


What conditions result in "Drops RX" on the Procurve 3400cl product, running M.10.20 ? We have 6 3400cl switches, connected to a central 5400zl, all using gigabit over singlemode fibre. Intermapper shows the 6 3400cl switches getting excessive discards, 50-900 per minute, all 3400's do this at the same time. Then it stops. Traffic on the gig links is under 1% utilization typically. The RX Drops out of total are small, on the orderof 1 out of 1,500 Under what conditions does the 3400cl do an RX Drop ? Is it possible to log additional information regarding the reason for the drop ?

Bruce Campbell
Director, Network Services
Information Systems and Technology
MC 1018
(519)888-4567 x38323
University of Waterloo, Waterloo, ON
6 REPLIES
Matt Hobbs
Honored Contributor

Re: RX Drops on 3400cl

Most likely these are false positives. I believe there will be a new firmware release coming out soon that will resolve most of these counter issues. Alternatively contact ProCurve support about this to see if you can get the updated firmware sooner.
Bruce Campbell_3
Valued Contributor

Re: RX Drops on 3400cl


Thanks. I have a case with Procurve
support and will keep you posted.

I've determined
none of our 3400cl switches running
8.x code are showing RX Drops, and
all of the switches running 10.x
code are showing RX Drops. (we have
32 3400cl switches in total)

Bruce Campbell
Director, Network Services
Information Systems and Technology
MC 1018
(519)888-4567 x38323
University of Waterloo, Waterloo, ON
Bruce Campbell_3
Valued Contributor

Re: RX Drops on 3400cl


Switch upgraded to M.10.28 shows 561 RX Drops after 30 minutes

Switch reverted to M.08.106 shows zero RX Drops after 30 minutes


Bruce Campbell
Director, Network Services
Information Systems and Technology
MC 1018
(519)888-4567 x38323
University of Waterloo, Waterloo, ON
Matt Hobbs
Honored Contributor

Re: RX Drops on 3400cl

Bruce,

Do you have any ACL's on those ports? Can you possibly attach your config here and indicate which ports are incrementing the drops?

Matt
Bruce Campbell_3
Valued Contributor

Re: RX Drops on 3400cl


no acls. On the switch below, ports 4,5 and
23 have indicated RX Drops. (it has only
been up 12 hours).


Running configuration:

; J4905A Configuration Editor; Created on release #M.10.28

hostname "xxxxxx"
snmp-server location "XX XXXX"
max-vlans 64
time timezone -300
no cdp run
no web-management
interface 1
name "xxxxxx"
exit
interface 2
name "xxxxxx"
exit
interface 3
name "xxxxxx"
exit
interface 4
name "xxxxxx"
exit
ip default-gateway w.x.y.z
sntp server a.b.c.d
timesync sntp
sntp unicast
logging facility local3
logging a.b.c.d
vlan 1
name "DEFAULT_VLAN"
ip address dhcp-bootp
no untagged 1-24
exit
vlan 18
name "xxxxxx"
no ip address
tagged 1-6,23-24
ip igmp
exit
vlan 24
name "xxxxx"
no ip address
tagged 1-6,23-24
ip igmp
exit
vlan 53
name "xxxxx"
tagged 1-6,23-24
exit
vlan 62
name "xxxxx"
no ip address
tagged 1-6,23-24
ip igmp
exit
vlan 3012
name "xxxxx"
ip address w.x.y.v 255.255.255.192
tagged 1-24
exit
ip authorized-managers a.b.c.0 255.255.255.0
ip authorized-managers a.b.d.0 255.255.255.0
ip authorized-managers a.b.e.0 255.255.255.0
ip authorized-managers a.b.f.0 255.255.255.0
spanning-tree
spanning-tree priority 1
password manager
Bruce Campbell
Director, Network Services
Information Systems and Technology
MC 1018
(519)888-4567 x38323
University of Waterloo, Waterloo, ON
Bruce Campbell_3
Valued Contributor

Re: RX Drops on 3400cl


problem appears fixed in M.10.32
Bruce Campbell
Director, Network Services
Information Systems and Technology
MC 1018
(519)888-4567 x38323
University of Waterloo, Waterloo, ON