Digi AnywhereUSB Plus, Руководство пользователя, Страница: 246 / 815

Services Simple Network Management Protocol (SNMP)
AnywhereUSB® Plus User Guide 246
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To limit access to specified IPv4 addresses and networks:
a. Click IPv4 Addresses .
b. For Add Address , click g .
c. For Address , enter the IPv4 address or network that can access the device's SNMP
agent. Allowed values are:
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 192.168.1.0/24.
l
any : No limit to IPv4 addresses that can access the SNMP agent.
d. Click g again to list additional IP addresses or networks.
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To limit access to specified IPv6 addresses and networks:
a. Click IPv6 Addresses .
b. For Add Address , click g .
c. For Address , enter the IPv6 address or network that can access the device's SNMP
agent. Allowed values are:
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 2001:db8::/48.
l
any : No limit to IPv6 addresses that can access the SNMP agent.
d. Click g again to list additional IP addresses or networks.
n
To limit access to hosts connected through a specified interface on the AnywhereUSB
Plus device:
a. Click Interfaces .
b. For Add Interface , click g .
c. For Interface , select the appropriate interface from the dropdown.
d. Click
g
again to allow access through additional interfaces.
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To limit access based on firewall zones:
a. Click Zones .
b. For Add Zone , click g .
c. For Zone , select the appropriate firewall zone from the dropdown.
See Firewall configuration for information about firewall zones.
d. Click g again to allow access through additional firewall zones.
6. Type the Username used to connect to the SNMP agent.
7. Type the Password used to connect to the SNMP agent.
8. (Optional) For Port , type the port number. The default is 161 .
9. (Optional) Multicast DNS (mDNS) is disabled by default. mDNS is a protocol that resolves host
names in small networks that do not have a DNS server. To enable mDNS, click Enable mDNS .
10. (Optional) Select the Authentication type , either MD5 or SHA . The default is MD5 .
11. (Optional) Type the Privacy passphrase . If not set, the password, entered above, is used.
12. (Optional) Select the Privacy protocol , either DES or AES . The default is DES .
13. (Optional) Click Enable version 2c access to enable read-only access to SNMP version 2c.
14. Click Apply to save the configuration and apply the change.