HP A5120 EI Series Configuration Guide

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To do...
Use the command...
Remarks
Enter system view
system-view
—
Enter interface
or port group
view
Enter Ethernet interface
view or Layer 2
aggregate interface
view
interface interface-type
interface-number
Required
Use either command.
Enter port group view
port-group manual port-group-
name
Enable No Agreement Check
stp no-agreement-check
Required
Disabled by default.
No Agreement Check configuration example
1. Network requirements
As shown in Figure 24:
 Device A connects to Device B, a third-party device that has different MSTP implementation. Both
devices are in the same region.
 Device B is the regional root bridge, and Device A is the downstream device.
Figure 24 No Agreement Check configuration
GE1/0/1
Device A Device B
GE1/0/1
Root port Designated port
Root bridge
2. Configuration procedure
# Enable No Agreement Check on GigabitEthernet 1/0/1 of Device A.
<DeviceA> system-view
[DeviceA] interface gigabitethernet 1/0/1
[DeviceA-GigabitEthernet1/0/1] stp no-agreement-check
Configuring protection functions
An MSTP-enabled device supports the following protection functions:
 BPDU guard
 Root guard
 Loop guard
 TC-BPDU guard
 BPDU drop
Configuration prerequisites
MSTP has been correctly configured on the device.

HP A5120 EI Series Specifications

General

Uplink Ports	4 x SFP
Stacking	No
Management	CLI, Web, SNMP
Routing Protocols	RIP, OSPF
Power Supply	AC
MAC Address Table Size	16K
Dimensions	440 x 430 x 44 mm
Operating Temperature	0°C to 45°C
Operating Humidity	10% to 90% non-condensing
Model	HP A5120-24G EI Switch (JG234A)
VLANs	4094