With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cIpv6InterfaceEffectiveMtu
Cisco Ipv6 Interface Effective Mtu
1.3.6.1.4.1.9.10.86.1.2.3.1.2
The size of the largest IPv6 packet which can be sent/received on the interface, specified in octets.
Back to CISCO-IETF-IP-MIB MIB page.
IPHost Network monitor allows you to monitor cIpv6InterfaceEffectiveMtu on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
