Hello,
I have been working on diagnosing an issue where certain servers have
been experiencing poor network performance over a pvlan network. Through
diagnostics I have found a few points which I would like to try and
understand a little better.
The switch is a 6500 running in hybrid ios/catos. The blade in question
is a WS-X6516A-GBIC.
When I run the following command I get the "Maximum Allowed Mappings:"
variable of 32.
show port capabilities 3/14
Model WS-X6516A-GBIC
Port 3/14
Type 1000BaseT
Auto MDIX no
AuxiliaryVlan no
Broadcast suppression percentage(0-100)
Channel yes
COPS port group 3/13-16
CoS rewrite yes
Dot1q-all-tagged yes
Dot1x yes
Duplex full
Fast start yes
Flow control receive-(off,on,desired),send-(off,on,desired)
Inline power no
Jumbo frames yes
Link debounce timer yes
Link debounce timer delay yes
Membership static,dynamic
Port ASIC group 3/10,3/12,3/14,3/16
Port VLAN Mapping Group: 3/9-16 Maximum Allowed Mappings: 32
QOS scheduling rx-(1p1q4t),tx-(1p2q2t)
Security yes
SPAN source,destination
Speed 1000
Sync restart delay yes
ToS rewrite DSCP
Trunk encap type 802.1Q,ISL
Trunk mode on,off,desirable,auto,nonegotiate
UDLD yes
From reading through the Cisco documentation I have been able to find
very little which actually tells me what that means. We currently have
well over 126 mappings on the port in question and have been having no
other issues. Can someone tell me what that really means?
Regards,
Jimmy.
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