System Management Guide Security
Edition: 01 3HE 11018 AAAC TQZZA 91
telnet6-server
Syntax [no] telnet6-server
Context config>system>security
Description This command enables Telnet IPv6 servers running on the system.
Telnet servers are off by default. At system startup, only SSH servers are enabled.
Telnet servers in 7705 SAR networks limit a Telnet client to three retries to log in. The Telnet
server disconnects the Telnet client session after three retries.
The no form of the command disables Telnet servers running on the system.
Default no telnet6-server
vprn-network-exceptions
Syntax vprn-network-exceptions [number seconds]
no vprn-network-exceptions
Context config>system>security
Description This command configures the rate at which the 7705 SAR sends ICMP replies to a source IP
address in response to TTL expiry IP packets that have been received for all VPRN instances
in the system and from all network IP interfaces. Packets include labeled user packets as well
as ping and traceroute packets within a VPRN.
This command does not apply to MPLS packets or service OAM packets such as VPRN ping
and trace, LSP ping and trace, and VCC ping and trace.
When the command is issued without any number and seconds parameters specified, the
default rate is 100 ICMP reply packets sent per 10 seconds. The no form of the command
disables the rate-limiting of ICMP replies.
Default no vprn-network-exceptions
Parameters number — specifies the maximum number of ICMP reply messages that can be sent
within the configured number of seconds
Values 10 to 1000
seconds — specifies the time frame in which the configured number of ICMP reply
messages can be sent
Values 1 to 60
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