Features S to U

Table 1. Secure Shell (SSH)
Feature	Product	Release introduced
SSH-2 client and server	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Secure Copy (SCP-2) client and server	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
SSH-2, Secure Copy (SCP-2), and SFTP client/server with encryption/authentication	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Access Policies for Telnet/SSH-2/SCP-2	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4

Table 2. Security, switch, and network protection
Feature	Product	Release introduced
Secure Shell (SSH-2), Secure Copy (SCP-2), and SFTP client/server with encryption/authentication	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Access Profiles on All Routing Protocols	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Access Policies for Telnet/SSH-2/SCP-2	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Fallback to local authentication database (MAC and Web-based methods)	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Guest VLAN for 802.1x	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 2267 Network Ingress Filtering	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IP Broadcast Forwarding Control	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
SYN attack protection	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
CPU DoS Protection with traffic rate-limiting to management CPU	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IEEE 802.1Q – 1998 Virtual Bridged Local Area Networks	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Software Redundant Ports	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IEEE 802.1ag L2 Ping and traceroute, Connectivity Fault Management	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
ITU-T Y.1731 Frame Delay	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
ITU-T Y.1731 Frame Loss	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IEEE 802.3ah Ethernet OAM – Unidirectional Link Fault Management	4120	Not supported
	4220	Not supported
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
ITU G.8032 Ethernet Ring Protection Switching	4120	Not supported
	4220	Not supported
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4

Table 3. Security, router protection
Feature	Product	Release introduced
Routing protocol MD5 authentication	4120	Not supported
	4220	Not supported
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Identity Manager	4120	Not supported
	4220	Not supported
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4

Table 4. Simple Network Management Protocol (SNMP)
Feature	Product	Release introduced
MEF-36 Y.1731 Compliant Performance Monitoring SNMP MIB	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 1157 SNMPv1	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 1650 Ethernet-Like MIB (update of RFC 1213 for SNMPv2)	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 1901 to – 1908 SNMPv2c, SMIv2 and Revised MIB-II	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 2418 – Management Information Base for SNMP	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 2576 Coexistence between SNMP Version 1, Version 2 and Version 3 of the Internet standard Network Management Framework	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 3410 – 3415 SNMPv3, user based security, encryption and authentication	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 3416 – Protocol Operations for Version 2 of SNMP	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
RFC 3826 – The Advanced Encryption Standard (AES) Cipher Algorithm in the SNMP User-based Security Model	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
SNMPv3 user based security, with encryption/authentication	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4

Table 5. Simple Network Time Protocol (SNTP)
Feature	Product	Release introduced
RFC 2030 SNTP v4	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4

Table 6. Spanning Tree Protocol (STP)
Feature	Product	Release introduced
Draft-ietf-bridge-rstpmib-03.txt – Definitions of Managed Objects for Bridges with Rapid STP	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IEEE 802.1D – 1998 STP	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IEEE 802.1D – 2004 (STP and RSTP)	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IEEE 802.1w – 2001 Rapid Reconfiguration for STP, RSTP	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
IEEE 802.1Q – 2003 (formerly IEEE 802.1s) Multiple Instances of STP, MSTP	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
EMISTP, Extreme Multiple Instances of STP	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
PVST+, Per VLAN STP (802.1Q interoperable)	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4

Table 7. Stacking
Feature	Product	Release introduced
Stacking auto-discovery	4120	Not supported
	4220	Not supported
	5320 Series	Not supported
	5420 Series	EXOS 31.5
	5520 Series	EXOS 31.5
	5720 Series	Not supported
	7520 Series	Not supported
	7720 Series	Not supported
SummitStack-V	4120	Not supported
	4220	Not supported
	5320 Series	Not supported
	5420 Series	Not supported
	5520 Series	Switch Engine 31.3 Only on 5520-VIM-4X allowing cross-stack to 5320 and 5420 SummitStack-V40.
	5720 Series	Not supported
	7520 Series	Not supported
	7720 Series	Not supported
SummitStack-V40	4120	Not supported
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	Not supported
	5720 Series	Not supported
	7520 Series	Not supported
	7720 Series	Not supported
SummitStack-V80	4120	Not supported
	4220	Not supported
	5320 Series	Not supported
	5420 Series	EXOS 31.4
	5520 Series	EXOS 31.5 Only when cross-stacking with 5420.
	5720 Series	Not supported
	7520 Series	Not supported
	7720 Series	Not supported
SummitStack-V160	4120	Not supported
	4220	Not supported
	5320 Series	Not supported
	5420 Series	Not supported
	5520 Series	EXOS 31.1
	5720 Series	Not supported
	7520 Series	Not supported
	7720 Series	Not supported
SummitStack-V200	4120	Switch Engine 32.7
	4220	Not supported
	5320 Series	Not supported
	5420 Series	Not supported
	5520 Series	EXOS 31.6
	5720 Series	Switch Engine 32.1 Only when cross-stacking with 5520.
	7520 Series	Not supported
	7720 Series	Not supported
SummitStack-V400	4120	Not supported
	4220	Not supported
	5320 Series	Not supported
	5420 Series	Not supported
	5520 Series	Not supported
	5720 Series	EXOS 32.1 Only with themselves. No VIM ports.
	7520 Series	Switch Engine 32.4 Only with themselves or cross-stacking with 7720.
	7720 Series	Switch Engine 32.4 Only with themselves or cross-stacking with 7520.
SummitStack-V400 Alternative Configuration	4120	Not supported
	4220	Not supported
	5320 Series	Not supported
	5420 Series	Not supported
	5520 Series	Not supported
	5720 Series	Switch Engine 32.2 Only with themselves. No VIM ports.
	7520 Series	Switch Engine 32.4 Only with themselves or cross-stacking with 7720.
	7720 Series	Switch Engine 32.4 Only with themselves or cross-stacking with 7520.

Table 8. Syslog
Feature	Product	Release introduced
RFC 3164 BSD Syslog Protocol with Multiple Syslog Servers – 999 Local Messages (criticals stored across reboots)	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4
Syslog	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4

Table 9. Terminal Access Controller Access Control System (TACACS)
Feature	Product	Release introduced
RFC 1492 TACACS+	4120	Switch Engine 32.7
	4220	Switch Engine 32.7
	5320 Series	Switch Engine 31.6
	5420 Series	EXOS 31.3
	5520 Series	EXOS 31.1
	5720 Series	Switch Engine 32.1
	7520 Series	Switch Engine 32.4
	7720 Series	Switch Engine 32.4