The ipv6-address must be in hexadecimal using 16-bit values between colons as documented in RFC 2373.
The udp-port-num optional parameter species the UDP application port used for the Syslog facility.
Viewing IPv6 SNMP server addresses
Some of the show commands display IPv6 addresses for IPv6 SNMP servers. The following shows an example output for the show
snmp server command.
device#show snmp server
Contact:
Location:
Community(ro): .....
Traps
Warm/Cold start: Enable
Link up: Enable
Link down: Enable
Authentication: Enable
Locked address violation: Enable
Power supply failure: Enable
Fan failure: Enable
Temperature warning: Enable
STP new root: Enable
STP topology change: Enable
vsrp: Enable
Total Trap-Receiver Entries: 4
Trap-Receiver IP-Address Port-Number Community
1 10.147.201.100
162 .....
2 2001:DB8::200
162 .....
3 10.147.202.100
162 .....
4 2001:DB8::200
162 .....
Disabling router advertisement and solicitation messages
Router advertisement and solicitation messages enable a node on a link to discover the routers on the same link. By default, router
advertisement and solicitation messages are permitted on the device. To disable these messages,
congure an IPv6 access control list
that denies them. The following shows an example conguration.
device(config)#ipv6 access-list rtradvert
device(config)#deny icmp any any router-advertisement
device(config)#deny icmp any any router-solicitation
device(config)#permit ipv6 any any
Disabling IPv6 on a Layer 2 switch
IPv6 is enabled by default in the Layer 2 switch code. If desired, you can disable IPv6 on a global basis on a device running the switch
code. To do so, enter the following command at the Global CONFIG level of the CLI.
device(config)#no ipv6 enable
IPv6 management (IPv6 host support)
FastIron Ethernet Switch Layer 3 Routing
53-1003627-04 167
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