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Configuring a manual IPsec profile ··················································································································· 238
Configuring SNMP notifications for IPsec ················································································································· 240
Displaying and maintaining IPsec ······························································································································ 240
IPsec configuration examples······································································································································ 241
Configuring a manual mode IPsec tunnel for IPv4 packets ············································································ 241
Configuring an IKE-based IPsec tunnel for IPv4 packets ················································································· 243
Configuring IPsec for RIPng ································································································································ 246
Configuring IKE ······················································································································································· 250
Overview ······································································································································································· 250
IKE negotiation process ······································································································································ 250
IKE security mechanism ······································································································································· 251
Protocols and standards ····································································································································· 252
FIPS compliance ··························································································································································· 252
IKE configuration prerequisites ··································································································································· 252
IKE configuration task list ············································································································································ 252
Configuring an IKE profile ·········································································································································· 253
Configuring an IKE proposal ······································································································································ 255
Configuring an IKE keychain ······································································································································ 256
Configuring the global identity information ·············································································································· 257
Configuring the IKE keepalive function ······················································································································ 258
Configuring the IKE NAT keepalive function ············································································································ 259
Configuring IKE DPD···················································································································································· 259
Enabling invalid SPI recovery ····································································································································· 260
Setting the maximum number of IKE SAs ··················································································································· 260
Configuring SNMP notifications for IKE ···················································································································· 261
Displaying and maintaining IKE ································································································································· 261
IKE configuration examples ········································································································································ 262
Main mode IKE with pre-shared key authentication configuration example ················································ 262
Verifying the configuration ································································································································· 264
Troubleshooting IKE ····················································································································································· 264
IKE negotiation failed because no matching IKE proposals were found ······················································· 264
IKE negotiation failed because no IKE proposals or IKE keychains are referenced correctly····················· 265
IPsec SA negotiation failed because no matching IPsec transform sets were found ···································· 266
IPsec SA negotiation failed due to invalid identity information ······································································ 266
Configuring SSH ····················································································································································· 269
Overview ······································································································································································· 269
How SSH works ··················································································································································· 269
SSH authentication methods ······························································································································· 270
FIPS compliance ··························································································································································· 271
Configuring the device as an SSH server ·················································································································· 272
SSH server configuration task list ······················································································································ 272
Generating local key pairs ································································································································· 272
Enabling the SSH server function ······················································································································· 273
Enabling the SFTP server function ······················································································································ 274
Configuring NETCONF over SSH ····················································································································· 274
Configuring the user lines for SSH login ··········································································································· 274
Configuring a client's host public key ··············································································································· 275
Configuring an SSH user ···································································································································· 276
Setting the SSH management parameters ········································································································ 277
Configuring the device as an Stelnet client ··············································································································· 278
Stelnet client configuration task list ···················································································································· 278
Specifying the source IP address for SSH packets ··························································································· 279
Establishing a connection to an Stelnet server ································································································· 279
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