ipv6 mtu
To set the IPv6 maximum transmission unit (MTU) size of routed packets on all routed ports of the switch or
switch stack, use the
ipv6 mtu
command in interface configuration mode. To restore the default IPv6 MTU
size, use the
no
form of this command.
ipv6 mtu bytes
no ipv6 mtu bytes
Syntax Description
MTU size, in bytes. The range is from 1280 up to the system MTU value (in bytes).
bytes
Command Default
The default IPv6 MTU size for frames received and sent on all switch interfaces is 1500 bytes.
Command Modes
Interface configuration
Command History
Modification
Release
This command was introduced.
Cisco IOS XE 3.3SE
Usage Guidelines
The upper limit of the IPv6 MTU value is based on the switch or switch stack configuration and refers to the
currently applied system MTU value. For more information about setting the MTU sizes, see the
system mtu
global configuration command.
To return to the default IPv6 MTU setting, you can apply the
default ipv6 mtu
command or the
no ipv6 mtu
command on the interface.
You can verify your setting by entering the
show ipv6 interface interface-id
or
show interface interface-id
privileged EXEC command.
Examples
The following example sets the maximum IPv6 packet size for an interface to 2000 bytes:
Device(config)#
interface gigabitethernet4/0/1
Device(config-if)#
ipv6 mtu 2000
The following example sets the maximum IPv6 packet size for an interface to the default setting of 1500 bytes:
Device(config)#
interface gigabitethernet4/0/1
Device(config-if)#
default ipv6 mtu
This is an example of partial output from the
show ipv6 interface interface-id
command. It displays the
current IPv6 MTU setting for the interface.
Device#
show ipv6 interface gigabitethernet4/0/1
GigabitEthernet4/0/1 is up, line protocol is up
Internet address is 18.0.0.1/24
Broadcast address is 255.255.255.255
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
47
ipv6 mtu
Summary of Contents for Catalyst 3650 Series
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Page 37: ...P A R T I Campus Fabric Campus Fabric page 13 ...
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Page 51: ...P A R T II Interface and Hardware Components Interface and Hardware Commands page 27 ...
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Page 165: ...P A R T III IP IP page 141 ...
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Page 235: ...P A R T IV IP Multicast Routing IP Multicast Routing page 211 ...
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Page 303: ...P A R T V IPv6 IPv6 page 279 ...
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Page 307: ...P A R T VI Layer 2 3 Layer 2 3 page 283 ...
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Page 399: ...P A R T VII Multiprotocol Label Switching MPLS MPLS page 375 Multicast VPN page 385 ...
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Page 429: ...P A R T VIII Network Management Flexible NetFlow page 405 Network Management page 479 ...
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Page 595: ...P A R T IX Programmability Programmability page 571 ...
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Page 625: ...P A R T X QoS Auto QoS page 601 QoS page 641 ...
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Page 666: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches 640 show auto qos ...
Page 706: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches 680 trust device ...
Page 707: ...P A R T XI Routing Bidirectional Forwarding Detection page 683 ...
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Page 1100: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches 1074 vtp primary ...
Page 1102: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches 1076 Notices ...
Page 1108: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches IN 6 Index ...