i have Cisco 9901 with IOS XR Configuration 7.9.21 some protocols can't appear with me like isis
below issue appear
for example, I need router ISIS configurations but below I can't find isis option
(config)#router ?
bgp BGP configuration subcommands
hsrp HSRP configuration subcommands
lisp LISP configuration subcommands
rib RIB configuration subcommands
rip RIP configuration subcommands
rpl IPv6 Routing Protocol for Low-Power and Lossy Networks (RPL)
static Static route configuration subcommands
vrrp VRRP configuration subcommands
------------------------------------------------------------------
also her I need to enable MPLS LSP
#mpls ?
entropy-label Enable MPLS entropy label
ip-ttl-propagate Propagate IP TTL into the label stack
ipv4 Configure IPv4 parameters
ipv6 Configure IPv6 parameters
label Label properties
lsd MPLS LSD process command
static MPLS Static label and LSP configuration commands
it an IOS issue or a license issue or what ? I don't have much experience with IOS XR
