Maximum parameter values¶

Default maximum parameters values for fast path features are set in the fp.config file, generated once you built from sources, or delivered along with the executable files.

There are several ways to modify these values to suit your needs:

At compilation time:
- Edit manually the fp.config file, or
- Use the menuconfig textual interface to change values (refer to the 6WINDGate Build Framework documentation).
Use this fp-cli command to display parameters used at compile time:
```
<fp-0> conf compiled
```
At runtime (values set at runtime will override compilation-time values).

Use this fp-cli command to display current runtime values:
```
<fp-0> conf runtime
```
Note

Changing parameters at runtime is only available for DPDK and Octeon architectures.

See also

The following table sums up what each parameter refers to (the parameters are all prefixed with CONFIG_MCORE_):

Maximum number of	Parameter	Module
FPN logical cores allocated to the fast path	FPN_MAX_CORES	FPN-SDK Baseline
Crypto sessions	CRYPTO_MAX_SESSIONS	FPN-SDK Baseline
IPv4 addresses	MAX_NB_ADDR4	Fast Path Baseline
IPv6 addresses	MAX_NB_ADDR6	Fast Path Baseline
Ports	MAX_PORT	Fast Path Baseline
VRs	MAX_VR	Fast Path Baseline
VNB nodes	VNB_MAX_NS	Fast Path Baseline
PBR rules	PBR_MAX_RULES	Fast Path Policy-Based Routing
Ebtables rules	EBT_MAXRULES	Fast Path Filtering Ethernet Bridge
GRE tunnels	GRE_MAX	Fast Path GRE
ECMP maximum path	MAX_MPATH	Fast Path Forwarding IPv4
LAG master interfaces	LAG_MAX	Fast Path LAG
LAG slaves	LAG_SLAVES_MAX	Fast Path LAG
LAG slaves by interface	LAG_SLAVES_MAX_PER_IFACE	Fast Path LAG
Bridge FDB entries	BRIDGE_FDB_MAX	Fast Path Ethernet Bridge
Bridge interfaces	BRIDGE_IFACE_MAX	Fast Path Ethernet Bridge
Bridge ports	BRIDGE_PORT_MAX	Fast Path Ethernet Bridge
IPsec SA entries	IPSEC_MAX_SA_ENTRIES	Fast Path IPsec IPv4
IPsec SP entries	IPSEC_MAX_SP_ENTRIES	Fast Path IPsec IPv4
Trie input threshold	IPSEC_TRIE_IN_DEFAULT_THRESH_MAX	Fast Path IPsec IPv4
Trie rules	IPSEC_TRIE_MAXRULES	Fast Path IPsec IPv4
Trie output threshold	IPSEC_TRIE_OUT_DEFAULT_THRESH_MAX	Fast Path IPsec IPv4
SVTI tunnels	IPSEC_MAX_SVTI	Fast Path IPsec SVTI
IPv4 conntracks	NF_CT_MAX	Fast Path Filtering IPv4
IPv4 NF cache size order	NF_MAX_CACHE_ORDER	Fast Path Filtering IPv4
IPv4 rules	NF_MAXRULES	Fast Path Filtering IPv4
IPv6 conntracks	NF6_CT_MAX	Fast Path Filtering IPv6
IPv6 NF cache size order	NF6_MAX_CACHE_ORDER	Fast Path Filtering IPv6
IPv6 rules	NF6_MAXRULES	Fast Path Filtering IPv6
MACVLAN interfaces	MACVLAN_IFACE_MAX	Fast Path MACVLAN
MACVLAN link interfaces	MACVLAN_LINKIFACE_MAX	Fast Path MACVLAN
Multicast IPv4 GRP	MULTICAST4_GRP_MAX	Fast Path Multicast IPv4
Multicast IPv4 MFC	MULTICAST4_MFC_MAX	Fast Path Multicast IPv4
Multicast IPv6 GRP	MULTICAST6_GRP_MAX	Fast Path Multicast IPv6
Multicast IPv6 MFC	MULTICAST6_MFC_MAX	Fast Path Multicast IPv6
Reassembly IPv4 inter-fragment time (ms)	MAX_IPV4_INTERFRAG_MS	Fast Path Reassembly IPv4
Reassembly IPv4 time in queue (ms)	MAX_IPV4_REASS_MS	Fast Path Reassembly IPv4
Reassembly IPv6 inter-fragment time (ms)	MAX_IPV6_INTERFRAG_MS	Fast Path Reassembly IPv6
Reassembly IPv6 time in queue (ms)	MAX_IPV6_REASS_MS	Fast Path Reassembly IPv6
VLAN interfaces	VLAN_IFACE_MAX	Fast Path VLAN
VLAN lower interfaces	VLAN_LOWER_MAX	Fast Path VLAN
VXLAN FBD entries	VXLAN_FDB_MAX	Fast Path VXLAN
VXLAN interfaces	VXLAN_IFACE_MAX	Fast Path VXLAN
VXLAN ports	VXLAN_PORT_MAX	Fast Path VXLAN