"no snmp trap link-status" this command is accepted but a syslog msgs seen

Unanswered Question
Sep 2nd, 2009
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CAT 6500 running IOS version:


s72033-pk9sv-mz.122-18.SXD6.bin


Partial config:

===============


interface GigabitEthernet2/23

bandwidth 1000000

ip address 10.x.x.x 255.255.255.252

no ip redirects

no ip unreachables

no ip proxy-arp

ip authentication mode eigrp 45 md5

ip authentication key-chain eigrp 45 xxxxx

ip summary-address eigrp 45 10.x.x.x. 255.255.0.0 5

ip summary-address eigrp 45 10.y.y.y 255.255.0.0 5

load-interval 30

delay 1

udld port aggressive

no snmp trap link-status


Note that logging event link-status is disabled by default so "no logging event link-status" command is not displayed in this configuration.


The config would normally have a line that reads logging event link-status to enable link status events being logged.


Also note that snmp link status events are disabled to be thorough but I believe the error is being generated by syslog as indicated below, in this instance when we bounced Gi2/23 interface.


Sep 3 08:31:39 bnz-80boul-l10-cs-01.bnz.tcnz.sytecnms.net [local7.notice]: 513: Sep 3 08:32:34.165: %LINEPROTO-SP-5-UPDOWN: Line protocol on Interface GigabitEthernet2/23, changed state to down


Sep 3 08:31:39 bnz-80boul-l10-cs-01.bnz.tcnz.sytecnms.net [local7.notice]: 514: .Sep 3 08:32:34.173: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 45: Neighbor 10.67.67.2 (GigabitEthernet2/23) is down: interface down


Sep 3 08:31:40 bnz-80boul-l10-cs-01.bnz.tcnz.sytecnms.net [local7.err]: 515: Sep 3 08:32:34.173: %LINK-SP-3-UPDOWN: Interface GigabitEthernet2/23, changed state to down


Sep 3 08:34:19 bnz-80boul-l10-cs-01.bnz.tcnz.sytecnms.net [local7.err]: 516: Sep 3 08:35:14.553: %LINK-SP-3-UPDOWN: Interface GigabitEthernet2/23, changed state to up


Sep 3 08:34:20 bnz-80boul-l10-cs-01.bnz.tcnz.sytecnms.net [local7.notice]: 517: .Sep 3 08:35:14.575: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 45: Neighbor 10.67.67.2 (GigabitEthernet2/23) is up: new adjacency


Sep 3 08:34:20 bnz-80boul-l10-cs-01.bnz.tcnz.sytecnms.net [local7.notice]: 518: Sep 3 08:35:14.557: %LINEPROTO-SP-5-UPDOWN: Line protocol on Interface GigabitEthernet2/23, changed state to up




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astanislaus Wed, 09/02/2009 - 16:41
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So why are syslog messages generated for Gi2/23 in spite of saying no snmp trap link-status under this interface.


More of the config:

=====================


logging trap notifications

logging source-interface Loopback0

logging 172.x.x.x

!snmp-server community RO 98

snmp-server trap-source Loopback0

snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart





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