FTOS#ssh 10.11.8.12 -m ?hmac-sha1 Force ssh to use hmac-sha1 HMAC algorithmhmac-sha1-96 Force ssh to use hmac-sha1-96 HMAC algorithmhmac-md5 Force ssh to use hmac-md5 HMAC algorithmhmac-md5-96 Force ssh to use hmac-md5-96 HMAC algorithmSecure DHCP CommandsDHCP as defined by RFC 2131 provides no authentication or security mechanisms. Secure DHCP is a suite of featuresthat protects networks that use dynamic address allocation from spoofing and attacks.clear ip dhcp snoopingClear the DHCP binding table.C-Series, S-Series, Z-SeriesSyntax clear ip dhcp snooping bindingDefaults noneCommand Modes EXEC PrivilegeCommand History Version 8.3.11.1 Introduced on the Z9000.Version 7.8.1.0 Introduced on the C-Series and S-Series.RelatedCommandsshow ip dhcp snooping – displays the contents of the DHCP binding table.ip dhcp relayEnable Option 82.C-Series, S-Series, Z-Series, S4810Syntax ip dhcp relay information-option [trust-downstream]Parameters trust-downstream Configure the system to trust Option 82 when it is received from theprevious-hop router.Defaults Disabled.Command Modes CONFIGURATIONCommand History Version 8.3.11.1 Introduced on the Z9000.Version 8.3.7.0 Introduced on the S4810.Version 7.8.1.0 Introduced on the C-Series and S-Series.1338
