Cisco ASR 1001

Page 65 of 72
Service or
Protocol
Description
Client
(initiating)
Allowed
Server
(terminating)
Allowed
Allowed use in the certified configuration
HDLC
High-Level Data Link
Control
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
L2F
Layer 2 Forwarding
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
L2TP
Layer 2 Tunneling
Protocol
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
STP
Spanning Tree
Protocol
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
VTP
VLAN Trunking
Protocol
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
PPPoE
Point-to-point
protocol over Ethernet
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
Token Ring
Data Link layer
Protocol
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
BGP
Border Gateway
Protocol
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
MP-BGP
Multiprotocol BGP
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols
OSP
Open Shortest Path
First
n/a
n/a
n/a
n/a
Follow best practices for the secure usage as
there are no restrictions on use of these
protocols