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Today's Topics:
1. Huawei S5x00 and CEx8x0 switch lldp walk (Alan Brown)
--- Begin Message ---
Background:
I've just purchased a large stack of Huawei S5700-SI, S5700-LI, CE6810
and CE5850 switches (The CEs are TRILL-capable). These all use commodity
Broadcom chipsets.
After a lot of fluffing around on the OFTC irc channel trying to get
LLDP walks out of these I finally realised that they don't provide the
OIDs in a standard MIB view (Several other models do this too)
LLDP view fix (Applicable to all Huaweis)
Whilst in System-view:
snmp-agent mib-view included all iso
snmp-agent community read cipher [community-name] mib-view all
(commit if necessary, then save)
This will open the switch right up. If you don't want to do this then
create an appropriate mib-view that at least includes the LLDP OIDs and
make sure that Netdisco can see it.
This gets LLDP-level OIDs out of the switch, but they're still broken
and ND 2.x can't interpret them.
After discussion on the IRC channel, I'm attaching a 7z here containing
LLDP walks from 4 different switch models on different parts of our
network. Hopefully someone can quickly pick out what the issue is.
Huawei support have stated that they are committed to making sure things
work properly and if the switches are emitting non-standards-compliant
data, they will ensure that things are fixed.
They're also considering adding LLDP OIDs to be provided as part of the
default switch view. Opinions from the ND community would be
appreciated. (Any security implications?)
Oliver, JVI: thanks for putting up with all the annoying questions on IRC :)
Alan (stoat)
huawaysnmpwalks.7z
Description: application/7z-compressed
--- End Message ---
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