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HP 8/80 Converged Enhanced Ethernet Command Reference v6.4.0 (53-1001762-01, J - Page 152

max-age, Synopsis, Operands, Defaults, Command, Modes, Description, Usage, Guidelines, hello-time

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9 max-age DRAFT: BROCADE CONFIDENTIAL max-age Synopsis Operands Defaults Command Modes Description Usage Guidelines Examples See Also Sets the interval time in seconds between messages that the spanning tree receives from the interface. max-age seconds no max-age seconds Configures the Spanning tree Protocol interface maximum-age. The range of valid values is 6-40. The default is 20 seconds. Protocol Spanning Tree mode Use this command to control the maximum length of time that passes before an interface saves its configuration Bridge Protocol Data Unit (BPDU) information. Use the no max-age command to return to the default configuration. When configuring the maximum age, the max-age setting must be greater than the hello-time setting. The following relationship should be kept: 2*(forward-delay - 1)>=max-age>=2*(hello-time + 1) To configure the maximum-age to 10 seconds: switch(conf-rstp)#max-age 10 hello-time, forward delay 134 Converged Enhanced Ethernet Command Reference 53-1001762-01

Section	Page
Contents	3
About This Document	11
In this chapter	11
How this document is organized	11
Supported hardware and software	12
What’s new in this document	13
Document conventions	13
Text formatting	13
Command syntax conventions	13
Notes, cautions, and warnings	14
Key terms	14
Notice to the reader	14
Additional information	15
Brocade resources	15
Other industry resources	15
Getting technical help	16
Document feedback	17
CLI Basics	19
In this chapter	19
Accessing the Brocade CEE Switch	19
CLI command modes	19
L2 ACL commands	21
Configuration Management Commands	23
copy	23
copy startup-config	24
delete	25
dir	26
disable	27
do	28
enable	29
end	30
erase flash	31
exec-timeout	32
exit	33
fos	34
line console	36
line vty	37
pwd	38
rename	39
show calendar	40
show clock	41
show environment	42
show file	43
show line	44
show logging	45
show media	46
show media interface	47
show media linecard	48
show processes cpu	49
show processes memory	50
show running-config	51
show startup-config	52
show system	53
show tech-support	54
show users	55
show version	56
terminal length	57
terminal monitor	58
write erase	59
write memory	60
VLAN Commands	61
fcf forward	61
interface vlan	62
show interface	63
show vlan	64
show vlan classifier	65
switchport	66
switchport access	67
switchport converged	68
switchport mode	69
switchport trunk	70
vlan classifier activate group	71
vlan classifier group	72
vlan classifier rule	73
Interface Commands	75
clear counters	75
description	77
interface	78
mtu	79
show interface	80
show ip interface	82
shutdown	84
Link Layer Discovery Protocol Commands	85
advertise dcbx-fcoe-app-tlv	85
advertise dcbx-fcoe-logical-link-tlv	86
advertise dcbx-tlv	87
advertise dot1-tlv	88
advertise dot3-tlv	89
advertise optional-tlv	90
clear lldp neighbors	91
clear lldp statistics	92
debug lldp packet	93
description	94
hello	95
lldp dcbx-version	96
lldp disable	97
lldp fcoe-priority-bits	98
lldp profile	99
mode	100
multiplier	101
profile	102
protocol lldp	103
show debug lldp	104
show lldp interface	105
show lldp neighbors	106
show lldp statistics	108
system-description LINE	109
system-name	110
Link Aggregation Control Protocol Commands	111
channel-group	111
clear lacp	113
clear lacp counters	114
debug lacp	115
lacp system-priority	117
lacp timeout	118
show lacp counter	119
show lacp-sys-id	120
show port-channel	121
Layer 2 System Commands	123
mac-address-table	123
show mac-address-table	125
Layer 2 ACL commands	127
clear counters access-list mac	127
deny (extended ACLs)	128
deny (standard ACLs)	130
mac access-list extended	131
mac access-list standard	132
mac access-group	133
permit (extended ACLs)	134
permit (standard ACLs)	136
resequence access-list mac	137
seq (extended MAC ACLs)	138
seq (standard MAC ACLs)	140
show mac access-group	141
show statistics access-list mac	142
Spanning Tree Protocol Commands	143
bridge-priority	143
cisco-interoperability	144
clear spanning-tree counter	145
debug spanning-tree	146
error-disable-timeout enable	147
error-disable-timeout interval	148
forward-delay	149
hello-time	150
instance	151
max-age	152
max-hops	153
port-channel path-cost	154
protocol spanning-tree	155
region	156
revision	157
show spanning-tree	158
show spanning-tree brief	160
show spanning-tree interface	161
show spanning-tree mst brief	162
show spanning-tree mst detail	163
show spanning-tree mst instance	166
show spanning-tree mst interface	167
shutdown	168
spanning-tree autoedge	169
spanning-tree cost	170
spanning-tree edgeport	171
spanning-tree guard root	172
spanning-tree hello-time	173
spanning-tree instance	174
spanning-tree link-type	175
spanning-tree portfast	176
spanning-tree priority	177
spanning-tree restricted-role	178
spanning-tree restricted-tcn	179
spanning-tree shutdown	180
spanning-tree tc-flush-standard	181
transmit-holdcount	182
Internet Group Management Protocol Commands	183
clear ip igmp group	183
clear ip igmp groups	184
debug ip igmp all	185
ip igmp last-member-query-interval	186
ip igmp query-interval	187
ip igmp query-max-response-time	188
ip igmp snooping enable (global version)	189
ip igmp snooping enable (VLAN version)	190
ip igmp snooping fast-leave	191
ip igmp snooping mrouter	192
ip igmp snooping mrouter-timeout	193
ip igmp snooping querier enable	194
ip igmp static-group	195
show debug ip igmp	196
show ip igmp groups	197
show ip igmp snooping	198
show running-config igmp	199
RMON Commands	201
rmon alarm	201
rmon collection stats	203
rmon event	204
show rmon	205
QoS Commands	207
cee	207
cee-map	208
priority-group-table	209
priority-table	210
qos cos	212
qos cos-mutation	213
qos cos-traffic-class	214
qos map cos-mutation	215
qos map cos-traffic-class	217
qos queue multicast scheduler	219
qos queue scheduler	220
qos rcv-queue multicast rate-limit	222
qos rcv-queue multicast threshold	223
qos trust cos	224
show cee maps	225
show qos flowcontrol interface	226
show qos interface	227
show qos maps	229
show qos queue interface	230
show qos rcv-queue interface	231
show qos rcv-queue multicast	232
Port Authentication Commands	233
clear dot1x statistics	233
clear dot1x statistics interface	234
dot1x authentication	235
dot1x enable	236
dot1x port-control	237
dot1x quiet-period	238
dot1x reauthenticate interface	239
dot1x reauthentication	240
dot1x reauthMax	241
dot1x timeout re-authperiod	242
dot1x timeout server-timeout	243
dot1x timeout supp-timeout	244
dot1x timeout tx-period	245
show dot1x	246
show dot1x all	247
show dot1x diagnostics interface	249
show dot1x interface	250
show dot1x session-info interface	251