diff --git a/man/fi_verbs.7.md b/man/fi_verbs.7.md
index 0d42c06e63b..cdecaf99bf0 100644
--- a/man/fi_verbs.7.md
+++ b/man/fi_verbs.7.md
@@ -157,6 +157,11 @@ The verbs provider checks for the following environment variables.
 
 ### Common variables:
 
+*FI_VERBS_TOS*
+: RDMA CM ToS value. If unset or set to -1, then the ToS will not be
+  explicitly set and the system default will be used. Valid range is -1
+  through 255.
+
 *FI_VERBS_TX_SIZE*
 :  Default maximum tx context size (default: 384)
 
diff --git a/prov/verbs/src/verbs_domain_xrc.c b/prov/verbs/src/verbs_domain_xrc.c
index 2c95c948a52..6e706e9111b 100644
--- a/prov/verbs/src/verbs_domain_xrc.c
+++ b/prov/verbs/src/verbs_domain_xrc.c
@@ -67,6 +67,10 @@ static int vrb_create_ini_qp(struct vrb_xrc_ep *ep)
 			   "XRC INI QP rdma_create_qp_ex failed %d\n", -ret);
 		return ret;
 	}
+
+	if (vrb_rdma_set_tos(ep->base_ep.id))
+		VRB_WARN_ERRNO(FI_LOG_EP_CTRL, "vrb_rdma_set_tos");
+
 	return FI_SUCCESS;
 #else /* VERBS_HAVE_XRC */
 	return -FI_ENOSYS;
@@ -400,6 +404,9 @@ int vrb_ep_create_tgt_qp(struct vrb_xrc_ep *ep, uint32_t tgt_qpn)
 	}
 	ep->tgt_ibv_qp = ep->tgt_id->qp;
 
+	if (vrb_rdma_set_tos(ep->tgt_id))
+		VRB_WARN_ERRNO(FI_LOG_EP_CTRL, "vrb_rdma_set_tos");
+
 	return FI_SUCCESS;
 #else /* VERBS_HAVE_XRC */
 	return -FI_ENOSYS;
diff --git a/prov/verbs/src/verbs_ep.c b/prov/verbs/src/verbs_ep.c
index 63aea82778d..b4c2e4b8c21 100644
--- a/prov/verbs/src/verbs_ep.c
+++ b/prov/verbs/src/verbs_ep.c
@@ -1063,6 +1063,9 @@ static int vrb_ep_enable(struct fid_ep *ep_fid)
 			/* Allow shared XRC INI QP not controlled by RDMA CM
 			 * to share same post functions as RC QP. */
 			ep->ibv_qp = ep->id->qp;
+
+			if (vrb_rdma_set_tos(ep->id))
+				VRB_WARN_ERRNO(FI_LOG_EP_CTRL, "vrb_rdma_set_tos");
 		}
 		break;
 	case FI_EP_DGRAM:
diff --git a/prov/verbs/src/verbs_eq.c b/prov/verbs/src/verbs_eq.c
index f9bc78a828f..590dc6d2107 100644
--- a/prov/verbs/src/verbs_eq.c
+++ b/prov/verbs/src/verbs_eq.c
@@ -893,6 +893,9 @@ vrb_eq_addr_resolved_event(struct vrb_ep *ep)
 		/* Allow shared XRC INI QP not controlled by RDMA CM
 		 * to share same post functions as RC QP. */
 		ep->ibv_qp = ep->id->qp;
+
+		if (vrb_rdma_set_tos(ep->id))
+			VRB_WARN_ERRNO(FI_LOG_EP_CTRL, "vrb_rdma_set_tos");
 	}
 
 	assert(ep->ibv_qp);
diff --git a/prov/verbs/src/verbs_init.c b/prov/verbs/src/verbs_init.c
index 67b999d2a61..279ee91e14b 100644
--- a/prov/verbs/src/verbs_init.c
+++ b/prov/verbs/src/verbs_init.c
@@ -45,6 +45,7 @@ static const char *local_node = "localhost";
 #define VERBS_DEFAULT_MIN_RNR_TIMER 12
 
 struct vrb_gl_data vrb_gl_data = {
+	.tos			= VERBS_TOS_UNSET,
 	.def_tx_size		= 384,
 	.def_rx_size		= 384,
 	.def_tx_iov_limit	= 4,
@@ -637,6 +638,14 @@ static int vrb_get_param_str(const char *param_name,
 int vrb_read_params(void)
 {
 	/* Common parameters */
+	if (vrb_get_param_int("tos", "RDMA CM ToS value. If unset or set to -1, then "
+			      "the ToS will not be explicitly set and the system "
+			      "default will be used. Valid range is -1 through 255.",
+			      &vrb_gl_data.tos) ||
+	    (vrb_gl_data.tos < -1 || vrb_gl_data.tos > 255)) {
+		VRB_WARN(FI_LOG_CORE, "Invalid value of ToS\n");
+		return -FI_EINVAL;
+	}
 	if (vrb_get_param_int("tx_size", "Default maximum tx context size",
 			      &vrb_gl_data.def_tx_size) ||
 	    (vrb_gl_data.def_tx_size < 0)) {
diff --git a/prov/verbs/src/verbs_ofi.h b/prov/verbs/src/verbs_ofi.h
index 0c54f879c45..efaa6e9c130 100644
--- a/prov/verbs/src/verbs_ofi.h
+++ b/prov/verbs/src/verbs_ofi.h
@@ -161,6 +161,8 @@
 #define VERBS_ANY_DOMAIN "verbs_any_domain"
 #define VERBS_ANY_FABRIC "verbs_any_fabric"
 
+#define VERBS_TOS_UNSET	(-1)
+
 #ifdef HAVE_FABRIC_PROFILE
 struct vrb_profile;
 typedef struct vrb_profile    vrb_profile_t;
@@ -176,6 +178,7 @@ extern ofi_mutex_t vrb_init_mutex;
 extern struct dlist_entry verbs_devs;
 
 extern struct vrb_gl_data {
+	int	tos;
 	int	def_tx_size;
 	int	def_rx_size;
 	int	def_tx_iov_limit;
@@ -1050,6 +1053,16 @@ vrb_free_recv_wr(struct vrb_progress *progress, struct vrb_recv_wr *wr)
 	ofi_buf_free(wr);
 }
 
+static inline int vrb_rdma_set_tos(struct rdma_cm_id *id)
+{
+	if (vrb_gl_data.tos == VERBS_TOS_UNSET)
+		return 0;
+
+	uint8_t tos = vrb_gl_data.tos;
+	return rdma_set_option(id, RDMA_OPTION_ID, RDMA_OPTION_ID_TOS, &tos,
+			       sizeof(tos));
+}
+
 int vrb_ep_ops_open(struct fid *fid, const char *name,
                      uint64_t flags, void **ops, void *context);
 
diff --git a/prov/verbs/src/windows/verbs_nd_rdma.c b/prov/verbs/src/windows/verbs_nd_rdma.c
index 3235a21d03e..b44e36f01aa 100644
--- a/prov/verbs/src/windows/verbs_nd_rdma.c
+++ b/prov/verbs/src/windows/verbs_nd_rdma.c
@@ -240,6 +240,13 @@ int rdma_destroy_id(struct rdma_cm_id *id)
 	return 0;
 }
 
+int rdma_set_option(struct rdma_cm_id *id, int level, int optname,
+		    void *optval, size_t optlen)
+{
+	errno = ENOSYS;
+	return -1;
+}
+
 int rdma_migrate_id(struct rdma_cm_id *id, struct rdma_event_channel *channel)
 {
 	struct nd_cm_id *id_nd;